From 51ad6706fed4b080b0cb1bb771028a551b9ec27c Mon Sep 17 00:00:00 2001
From: zhongshujie <2862698242@qq.com>
Date: 星期二, 22 十月 2024 15:19:18 +0800
Subject: [PATCH] Merge branch 'master' of http://182.92.203.7:2001/r/testbookLayout
---
src/books/mathBook/view/components/chapter003.vue | 2527 +++++++++++++++++++++++++++++++++------------------------
1 files changed, 1,461 insertions(+), 1,066 deletions(-)
diff --git a/src/books/mathBook/view/components/chapter003.vue b/src/books/mathBook/view/components/chapter003.vue
index 65e0aba..b168661 100644
--- a/src/books/mathBook/view/components/chapter003.vue
+++ b/src/books/mathBook/view/components/chapter003.vue
@@ -1,5 +1,5 @@
<template>
- <div class="chapter" num="3">
+ <div class="chapter" num="4">
<!-- 绗笁鍗曞厓棣栭〉 -->
<div class="page-box" page="74">
<div v-if="showPageList.indexOf(74) > -1">
@@ -124,21 +124,45 @@
</li>
</ul>
<div class="padding-116">
- <p><span
- class="zt-ls"><b>渚�1</b></span>銆�鎴戝浗瑕佸缓璁剧幇浠ｅ寲浜т笟浣撶郴锛屾帹鍔ㄥ埗閫犱笟楂樼鍖栧彂灞�.鏉庡钩鍒朵綔浜�6涓満姊伴浂浠讹紝瀹冧滑鐨勭洿寰勫琛�3-2鎵�绀�.璇风敤鍑芥暟鐨勬蹇垫弿杩版潕骞冲埗浣滆繖鎵规満姊伴浂浠剁殑鐩村緞<i>y</i>锛�<i>mm</i>
- 锛変笌闆朵欢鐨勬爣鍙�<i>x</i>鐨勫嚱鏁板叧绯�.</p>
+ <p class="p-btn" >
+ <span>
+ <span
+ class="zt-ls"><b>渚�1</b></span>銆�鎴戝浗瑕佸缓璁剧幇浠ｅ寲浜т笟浣撶郴锛屾帹鍔ㄥ埗閫犱笟楂樼鍖栧彂灞�.鏉庡钩鍒朵綔浜�6涓満姊伴浂浠讹紝瀹冧滑鐨勭洿寰勫琛�3-2鎵�绀�.璇风敤鍑芥暟鐨勬蹇垫弿杩版潕骞冲埗浣滆繖鎵规満姊伴浂浠剁殑鐩村緞<i>y</i>锛�<i>mm</i>
+ 锛変笌闆朵欢鐨勬爣鍙�<i>x</i>鐨勫嚱鏁板叧绯�.
+ </span>
+ <span class="btn-box" @click="isShowAnswer0 = !isShowAnswer0">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
<p class="img">琛�3-2</p>
<p class="center"><img class="img-a" alt="" src="../../assets/images/0082-1.jpg" /></p>
- <p><span class="zt-ls"><b>瑙�</b></span>
+ <p v-if="isShowAnswer0" >
+ <span class="zt-ls"><b>瑙�</b></span>
璁�<i>x</i>琛ㄧず闆朵欢鐨勬爣鍙凤紝<i>y</i>琛ㄧず闆朵欢鐨勭洿寰勶紝鐢辫〃3-2锛寋1锛�2锛�3锛�4锛�5锛�6}涓殑浠讳竴鏁帮紝<i>y</i>閮芥湁浠讳竴纭畾鐨勫�间笌瀹冨搴旓紝鎵�浠ヨ〃3-2纭畾浜�<i>y</i>涓�<i>x</i>鐨勫嚱鏁板叧绯伙紝鍏跺畾涔夊煙涓簕1锛�2锛�3锛�4锛�5锛�6}锛屽�煎煙涓簕13.40锛�13.50锛�13.55锛�13.60锛�13.65锛�13.70}.
</p>
- <p><span
+ <p class="p-btn" >
+ <span>
+ <span
class="zt-ls"><b>渚�2</b></span>銆�宸茬煡鍑芥暟<i>f</i>锛�<i>x</i>锛�=3<i>x</i><sup>2</sup>-1.褰撹嚜鍙橀噺<i>x</i>涓�-1锛�0锛�1锛�<i>a</i>鏃讹紝姹傚畠浠墍瀵瑰簲鐨勫嚱鏁板��.
+ </span>
+ <span class="btn-box" @click="isShowAnswer1 = !isShowAnswer1">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
</p>
- <p><span class="zt-ls"><b>瑙�</b></span> <i>f</i>锛�-1锛�=3脳锛�-1锛�<sup>2</sup>-1=3-1=2锛�</p>
- <p>銆� <i>f</i>锛�0锛�=3脳0<sup>2</sup>-1=0-1=-1锛�</p>
- <p>銆� <i>f</i>锛�1锛�=3脳1<sup>2</sup>-1=3-1=2锛�</p>
- <p>銆� <i>f</i>锛�<i>a</i>锛�=3脳<i>a</i><sup>2</sup>-1=3<i>a</i><sup>2</sup>-1.</p>
+ <div v-if="isShowAnswer1" >
+ <p><span class="zt-ls"><b>瑙�</b></span> <i>f</i>锛�-1锛�=3脳锛�-1锛�<sup>2</sup>-1=3-1=2锛�</p>
+ <p>銆� <i>f</i>锛�0锛�=3脳0<sup>2</sup>-1=0-1=-1锛�</p>
+ <p>銆� <i>f</i>锛�1锛�=3脳1<sup>2</sup>-1=3-1=2锛�</p>
+ <p>銆� <i>f</i>锛�<i>a</i>锛�=3脳<i>a</i><sup>2</sup>-1=3<i>a</i><sup>2</sup>-1.</p>
+ </div>
<div class="fieldset">
<p><b>鐩稿叧閾炬帴</b></p>
<p class="block">榄旀柟鏄敱6涓笉鍚岄鑹茬殑闈㈢粍鎴愮殑姝ｆ柟浣擄紝瀹冨彲缁勬垚绾�4 325浜夸嚎绉嶄笉鍚岄鑹茬殑缁勫悎锛屽叾鏈�浣冲鍘熼瓟鏂归鑹茬粍鍚堢殑鏂规硶鏄敤鏁板鏂规硶鐮旂┒鍑烘潵鐨�.</p>
@@ -154,11 +178,24 @@
</div>
<p class="center"><img class="img-c" alt="" src="../../assets/images/0082-2.jpg" /></p>
<p class="img">鍥�3-2</p>
- <p><span class="zt-ls"><b>渚�3</b></span>銆�濡傚浘3-2鎵�绀猴紝涓�涓竟闀挎槸<i>a</i>鐨勬鏂逛綋锛屼綋绉槸<i>V</i>锛屽啓鍑轰綋绉�<i>V</i> 闅忚竟闀�<i>a</i>
- 鍙樺寲鐨勫嚱鏁板叧绯诲紡锛屽苟鎸囧嚭鍑芥暟鐨勮嚜鍙橀噺鍜屽畾涔夊煙.</p>
- <p><span class="zt-ls"><b>瑙�</b></span> 浣撶Н<i>V</i> 闅忚竟闀�<i>a</i>鍙樺寲鐨勫嚱鏁板叧绯诲紡鏄�</p>
- <p class="center"><i>V</i>=<i>a</i><sup>3</sup>锛�<i>a</i>锛�0锛�.</p>
- <p>鍏朵腑<i>a</i>鏄嚜鍙橀噺锛屽畾涔夊煙涓簕<i>a</i>|<i>a</i>锛�0}.</p>
+ <p>
+ <span>
+ <span class="zt-ls"><b>渚�3</b></span>銆�濡傚浘3-2鎵�绀猴紝涓�涓竟闀挎槸<i>a</i>鐨勬鏂逛綋锛屼綋绉槸<i>V</i>锛屽啓鍑轰綋绉�<i>V</i> 闅忚竟闀�<i>a</i>
+ 鍙樺寲鐨勫嚱鏁板叧绯诲紡锛屽苟鎸囧嚭鍑芥暟鐨勮嚜鍙橀噺鍜屽畾涔夊煙.
+ </span>
+ <span class="btn-box" @click="isShowAnswer2 = !isShowAnswer2">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer2" >
+ <p><span class="zt-ls"><b>瑙�</b></span> 浣撶Н<i>V</i> 闅忚竟闀�<i>a</i>鍙樺寲鐨勫嚱鏁板叧绯诲紡鏄�</p>
+ <p class="center"><i>V</i>=<i>a</i><sup>3</sup>锛�<i>a</i>锛�0锛�.</p>
+ <p>鍏朵腑<i>a</i>鏄嚜鍙橀噺锛屽畾涔夊煙涓簕<i>a</i>|<i>a</i>锛�0}.</p>
+ </div>
<p class="left"><img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /></p>
<div class="bj">
<examinations :cardList="questionData[78] ? questionData[78][2] : []" :hideCollect="true" sourceType="json" inputBc="#d3edfa"
@@ -195,42 +232,54 @@
</mfrac>
</math>鐨勫嚱鏁板��<i>f</i>锛�0锛夛紝鍥犱负<i>f</i>锛�0锛夋棤鎰忎箟锛屽洜姝わ紝瀹冪殑瀹氫箟鍩熸槸{<i>x</i>锝�<i>x</i>鈮�0}.鍦ㄥ疄闄呴棶棰樹腑锛屽嚱鏁扮殑瀹氫箟鍩熼�氬父鐢遍棶棰樼殑瀹為檯鑳屾櫙鎵�鍐冲畾.濡備緥3涓殑鍑芥暟<i>V</i>=<i>a</i><sup>3</sup>锛岀敱浜�<i>a</i>鏄鏂逛綋鐨勮竟闀匡紝鎵�浠ュ嚱鏁扮殑瀹氫箟鍩熶负<i>A</i>={<i>a</i>锝�<i>a</i>锛�0}.
</p>
- <p><span
+ <p class="p-btn" >
+ <span>
+ <span
class="zt-ls"><b>渚�4</b></span>銆�灏变笟鏄渶鍩烘湰鐨勬皯鐢燂紝灏忓嚡閫氳繃鑷富鍒涘姙濂跺搧搴楀疄鐜拌亴涓氬彂灞�.涓轰績閿�鑷埗閰稿ザ锛屾瘡鐡堕吀濂剁殑浠锋牸鏄�3.5鍏冿紝姣忎綅椤惧鏈�澶氬彧鑳借喘涔�50鐡�.鍋囪鏌愪汉璐拱杩欑閰稿ザ<i>x</i>鐡讹紝搴斾粯娆�<i>y</i>鍏�.閭ｄ箞<i>y</i>锛堝厓锛夋槸<i>x</i>锛堢摱锛夌殑鍑芥暟鍚楋紵濡傛灉鏄紝璇峰啓鍑哄嚱鏁扮殑瀹氫箟鍩熴�佸搴斿叧绯诲拰鍊煎煙锛涘鏋滀笉鏄紝璇疯鏄庣悊鐢�.
+ </span>
+ <span class="btn-box" @click="isShowAnswer3 = !isShowAnswer3">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
</p>
- <p><span class="zt-ls"><b>瑙�</b></span>
- <i>x</i>鐨勫彇鍊艰寖鍥存槸鏁伴泦<i>A</i>={<i>x</i>|<i>x</i>鈮�50锛�<i>x</i>鈭�<b>N</b>}锛�<i>y</i>鐨勫彇鍊艰寖鍥存槸鏁伴泦<i>B</i>={<i>y</i>|<i>y</i>=3.5<i>x</i>锛�<i>x</i>鈮�50锛屼笖<i>x</i>鈭�<b>N</b>}.瀵逛簬闆嗗悎<i>A</i>涓殑浠讳竴涓暟<i>x</i>锛屾寜鐓у搴斿叧绯伙紝鍦ㄩ泦鍚�<i>B</i>涓兘鏈夊敮涓�纭畾鐨勫�间笌涔嬪搴旓紝鎵�浠ュ簲浠樻<i>y</i>鏄喘涔版暟閲�<i>x</i>鐨勫嚱鏁�.
- </p>
- <p>
- 鍑芥暟鐨勫畾涔夊煙鏄瘂<i>x</i>|<i>x</i>鈮�50锛�<i>x</i>鈭�<b>N</b>}锛屽搴斿叧绯绘槸<i>y</i>=3.5<i>x</i>锛屽�煎煙鏄瘂<i>y</i>|<i>y</i>=3.5<i>x</i>锛�<i>x</i>鈮�50锛屼笖<i>x</i>鈭�<b>N</b>}.
- </p>
- <p>
- 渚�4涓嚱鏁扮殑瀹氫箟鍩熶负浠�涔堟槸{<i>x</i>|<i>x</i>鈮�50锛�<i>x</i>鈭�<b>N</b>}锛岃�屼笉鏄瘂<i>x</i>|<i>x</i>鈭�<b>R</b>}锛熻繖鏄洜涓烘鍑芥暟鐨勫畾涔夊煙鑰冭檻浜嗗嚱鏁拌嚜鍙橀噺鍙栧�肩殑瀹㈣瀹為檯鑳屾櫙.
- </p>
+ <div v-if="isShowAnswer3" >
+ <p><span class="zt-ls"><b>瑙�</b></span>
+ <i>x</i>鐨勫彇鍊艰寖鍥存槸鏁伴泦<i>A</i>={<i>x</i>|<i>x</i>鈮�50锛�<i>x</i>鈭�<b>N</b>}锛�<i>y</i>鐨勫彇鍊艰寖鍥存槸鏁伴泦<i>B</i>={<i>y</i>|<i>y</i>=3.5<i>x</i>锛�<i>x</i>鈮�50锛屼笖<i>x</i>鈭�<b>N</b>}.瀵逛簬闆嗗悎<i>A</i>涓殑浠讳竴涓暟<i>x</i>锛屾寜鐓у搴斿叧绯伙紝鍦ㄩ泦鍚�<i>B</i>涓兘鏈夊敮涓�纭畾鐨勫�间笌涔嬪搴旓紝鎵�浠ュ簲浠樻<i>y</i>鏄喘涔版暟閲�<i>x</i>鐨勫嚱鏁�.
+ </p>
+ <p>
+ 鍑芥暟鐨勫畾涔夊煙鏄瘂<i>x</i>|<i>x</i>鈮�50锛�<i>x</i>鈭�<b>N</b>}锛屽搴斿叧绯绘槸<i>y</i>=3.5<i>x</i>锛屽�煎煙鏄瘂<i>y</i>|<i>y</i>=3.5<i>x</i>锛�<i>x</i>鈮�50锛屼笖<i>x</i>鈭�<b>N</b>}.
+ </p>
+ <p>
+ 渚�4涓嚱鏁扮殑瀹氫箟鍩熶负浠�涔堟槸{<i>x</i>|<i>x</i>鈮�50锛�<i>x</i>鈭�<b>N</b>}锛岃�屼笉鏄瘂<i>x</i>|<i>x</i>鈭�<b>R</b>}锛熻繖鏄洜涓烘鍑芥暟鐨勫畾涔夊煙鑰冭檻浜嗗嚱鏁拌嚜鍙橀噺鍙栧�肩殑瀹㈣瀹為檯鑳屾櫙.
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- <p><span
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- <p class="block"><span
- class="zt-ls2"><b>鍒嗘瀽</b></span>銆�鍥犱负<i>AB</i>鐨勯暱搴︿负<i>x</i>锛坢锛夛紝<i>BC</i>鐨勯暱搴︿负锛�12-<i>x</i>锛夛紙m锛夛紝鎵�浠ュ繀椤绘弧瓒�<i>x</i>锛�0涓�12-<i>x</i>锛�0鎵嶆湁瀹為檯鎰忎箟.
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+ <p v-if="isShowAnswer4" >
+ <span class="zt-ls"><b>瑙�</b></span> 瑕佷娇鍑芥暟<i>y</i>=<i>x</i>锛�12-<i>x</i>锛夋湁瀹為檯鎰忎箟锛屽繀椤绘弧瓒�<math display="0">
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+ <!-- 073 -->
+ <div class="page-box" page="80">
+ <div v-if="showPageList.indexOf(80) > -1">
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+ <li>
+ <p>绗笁鍗曞厓 鍑芥暟</p>
+ </li>
+ <li>
+ <p><span>073</span></p>
+ </li>
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+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
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+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer6" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�2锛� 瑕佷娇璇ュ嚱鏁版湁鎰忎箟锛屽繀椤绘弧瓒�</p>
+ <p class="center"><i>x</i>-3鈮�0锛�</p>
+ <p>瑙ｅ緱銆�<i>x</i>鈮�3.</p>
+ <p>鎵�浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸{<i>x</i>|<i>x</i>鈮�3}.</p>
+ </div>
+ <p class="p-btn" >
+ <span>
+ 锛�3锛� <math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
+ <msqrt>
+ <mn>4</mn>
+ <mi>x</mi>
+ <mo>+</mo>
+ <mn>8</mn>
+ </msqrt>
+ <mo>+</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mrow>
<mi>x</mi>
<mo>鈭�</mo>
<mn>3</mn>
- <mo>鈮�</mo>
- <mn>0</mn>
- <mo>锛�</mo>
- </mtd>
- <mtd></mtd>
- </mtr>
- </mtable>
- <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
- </mrow>
- </math>
- <p>瑙ｅ緱</p>
- <math display="block">
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">{</mo>
- <mtable columnspacing="1em" rowspacing="4pt">
- <mtr>
- <mtd>
- <mi>x</mi>
- <mo>鈮�</mo>
- <mo>鈭�</mo>
- <mn>2</mn>
- <mo>锛�</mo>
- </mtd>
- <mtd></mtd>
- </mtr>
- <mtr>
- <mtd>
- <mi>x</mi>
- <mo>鈮�</mo>
- <mn>3.</mn>
- </mtd>
- <mtd></mtd>
- </mtr>
- </mtable>
- <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
- </mrow>
- </math>
- <p>鎵�浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸{<i>x</i>|<i>x</i>鈮�-2涓�<i>x</i>鈮�3}.</p>
+ </mrow>
+ </mfrac>
+ </math>.
+ </span>
+ <span class="btn-box" @click="isShowAnswer7 = !isShowAnswer7">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer7" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�3锛� 瑕佷娇璇ュ嚱鏁版湁鎰忎箟锛屽繀椤绘弧瓒�</p>
+ <math display="block">
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">{</mo>
+ <mtable columnspacing="1em" rowspacing="4pt">
+ <mtr>
+ <mtd>
+ <mn>4</mn>
+ <mi>x</mi>
+ <mo>+</mo>
+ <mn>8</mn>
+ <mo>鈮�</mo>
+ <mn>0</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mi>x</mi>
+ <mo>鈭�</mo>
+ <mn>3</mn>
+ <mo>鈮�</mo>
+ <mn>0</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ </mtable>
+ <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
+ </mrow>
+ </math>
+ <p>瑙ｅ緱</p>
+ <math display="block">
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">{</mo>
+ <mtable columnspacing="1em" rowspacing="4pt">
+ <mtr>
+ <mtd>
+ <mi>x</mi>
+ <mo>鈮�</mo>
+ <mo>鈭�</mo>
+ <mn>2</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mi>x</mi>
+ <mo>鈮�</mo>
+ <mn>3.</mn>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ </mtable>
+ <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
+ </mrow>
+ </math>
+ <p>鎵�浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸{<i>x</i>|<i>x</i>鈮�-2涓�<i>x</i>鈮�3}.</p>
+ </div>
<p class="left"><img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /></p>
<div class="bj" >
<examinations :cardList="questionData[80]" :hideCollect="true" sourceType="json" inputBc="#d3edfa"
@@ -435,15 +539,39 @@
<p>鎴戜滑鐭ラ亾锛屼笂涓�鑺傗�滆瀵熸�濊�冣�濅腑鐨�3涓儏澧冮兘娑夊強鍙橀噺涔嬮棿鐨勫嚱鏁板叧绯�.鎯呭1涓紝閿�鍞敹鍏�<i>y</i>锛堝厓锛変笌閿�鍞噺<i>x</i>锛坘g 锛夌殑鍑芥暟鍏崇郴鏄�<i>y</i>=6<i>x</i>锛�0鈮�<i>x</i>鈮�2
000锛岃繖绉嶈〃绀哄嚱鏁板叧绯荤殑鏂规硶绉颁负瑙ｆ瀽娉曪紱鎯呭2涓紝鐢ㄨ〃鏍艰〃绀轰簡鍙戝皠鍗槦鐨勯鏁�<i>y</i>涓庡勾浠�<i>x</i>鐨勫嚱鏁板叧绯伙紝杩欑琛ㄧず鍑芥暟鍏崇郴鐨勬柟娉曠О涓哄垪琛ㄦ硶锛涙儏澧�3涓紝鐢ㄥ浘鍍忚〃绀轰簡姘旀俯<i>Q</i>涓庢椂闂�<i>t</i>鐨勫嚱鏁板叧绯伙紝杩欑琛ㄧず鍑芥暟鍏崇郴鐨勬柟娉曠О涓哄浘鍍忔硶.
</p>
- <p><span class="zt-ls"><b>渚�1</b></span>銆�鏌愯締姹借溅浠�30 km/<i>h</i> 鐨勯�熷害鍖�閫熺洿绾胯椹讹紝鐢ㄨВ鏋愭硶琛ㄧず姹借溅琛岄┒鐨勮矾绋�<i>s</i>锛坘m
- 锛変笌鏃堕棿<i>t</i>锛�<i>h</i>锛変箣闂寸殑瀵瑰簲鍏崇郴.</p>
- <p><span class="zt-ls"><b>瑙�</b></span> 杩欎釜鍑芥暟鐨勫畾涔夊煙鏄瘂<i>t</i>|<i>t</i>鈮�0}.</p>
- <p>鐢ㄨВ鏋愭硶鍙皢杩欎釜鍑芥暟琛ㄧず涓�<i>s</i>=30<i>t</i>锛�<i>t</i>鈮�0.</p>
- <p>鐢ㄨВ鏋愭硶琛ㄧず鍑芥暟鍏崇郴锛岃兘澶熷噯纭�佸畬鏁村湴鍙嶆槧涓や釜鍙橀噺涔嬮棿鐨勫叧绯�.</p>
- <p><span class="zt-ls"><b>渚�2</b></span>銆�杩戝勾鎴戝浗蹇�掍笟鍔￠噺杩呴�熷闀匡紝浠�2017骞磋嚦2021骞达紝姣忓勾鐨勫揩閫掍笟鍔￠噺鎯呭喌濡傝〃3-4鎵�绀猴紙娉細寮曡嚜鍥藉缁熻灞�鏁版嵁锛�.</p>
+ <p class="p-btn" >
+ <span>
+ <span class="zt-ls"><b>渚�1</b></span>銆�鏌愯締姹借溅浠�30 km/<i>h</i> 鐨勯�熷害鍖�閫熺洿绾胯椹讹紝鐢ㄨВ鏋愭硶琛ㄧず姹借溅琛岄┒鐨勮矾绋�<i>s</i>锛坘m
+ 锛変笌鏃堕棿<i>t</i>锛�<i>h</i>锛変箣闂寸殑瀵瑰簲鍏崇郴.
+ </span>
+ <span class="btn-box" @click="isShowAnswer8 = !isShowAnswer8">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer8" >
+ <p><span class="zt-ls"><b>瑙�</b></span> 杩欎釜鍑芥暟鐨勫畾涔夊煙鏄瘂<i>t</i>|<i>t</i>鈮�0}.</p>
+ <p>鐢ㄨВ鏋愭硶鍙皢杩欎釜鍑芥暟琛ㄧず涓�<i>s</i>=30<i>t</i>锛�<i>t</i>鈮�0.</p>
+ <p>鐢ㄨВ鏋愭硶琛ㄧず鍑芥暟鍏崇郴锛岃兘澶熷噯纭�佸畬鏁村湴鍙嶆槧涓や釜鍙橀噺涔嬮棿鐨勫叧绯�.</p>
+ </div>
+ <p>
+ <span>
+ <span class="zt-ls"><b>渚�2</b></span>銆�杩戝勾鎴戝浗蹇�掍笟鍔￠噺杩呴�熷闀匡紝浠�2017骞磋嚦2021骞达紝姣忓勾鐨勫揩閫掍笟鍔￠噺鎯呭喌濡傝〃3-4鎵�绀猴紙娉細寮曡嚜鍥藉缁熻灞�鏁版嵁锛�.
+ </span>
+ <span class="btn-box" @click="isShowAnswer9 = !isShowAnswer9">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
<p class="img">琛�3-4</p>
<p class="center"><img class="img-a" alt="" src="../../assets/images/0087-2.jpg" /></p>
- <p>琛�3-4娓呮櫚鍦板弽鏄犱簡骞翠唤涓庡綋骞村揩閫掍笟鍔￠噺锛堜嚎浠讹級涔嬮棿鐨勫搴斿叧绯�.鍦ㄥ疄闄呯敓娲讳腑锛岀敤鍒楄〃娉曡〃绀哄彉閲忎箣闂村搴斿叧绯荤殑渚嬪瓙杩樻湁寰堝.渚嬪锛岃褰曟煇浜烘瘡澶╃殑娑堣垂鎯呭喌銆佸崟浣嶈亴宸ョ殑姣忔湀钖祫鏀跺叆銆侀摱琛屼娇鐢ㄧ殑瀛樻鈥滃埄鎭〃鈥濈瓑.</p>
+ <p v-if="isShowAnswer9" >琛�3-4娓呮櫚鍦板弽鏄犱簡骞翠唤涓庡綋骞村揩閫掍笟鍔￠噺锛堜嚎浠讹級涔嬮棿鐨勫搴斿叧绯�.鍦ㄥ疄闄呯敓娲讳腑锛岀敤鍒楄〃娉曡〃绀哄彉閲忎箣闂村搴斿叧绯荤殑渚嬪瓙杩樻湁寰堝.渚嬪锛岃褰曟煇浜烘瘡澶╃殑娑堣垂鎯呭喌銆佸崟浣嶈亴宸ョ殑姣忔湀钖祫鏀跺叆銆侀摱琛屼娇鐢ㄧ殑瀛樻鈥滃埄鎭〃鈥濈瓑.</p>
</div>
</div>
</div>
@@ -465,36 +593,88 @@
</li>
</ul>
<div class="padding-116">
- <p>瑙傚療涓婁竴鑺傗�滆瀵熸�濊�冣�濅腑鐨勬儏澧�3锛屾垜浠彂鐜扮敤鍥惧儚娉曡〃绀哄嚱鏁板叧绯绘椂鑳界洿瑙傚舰璞″湴琛ㄧず鍑哄嚱鏁扮殑灞�閮ㄥ彉鍖栬寰嬶紝杩涜�屽彲浠ラ娴嬪畠鐨勬暣浣撳彉鍖栬秼鍔�.浣嗘槸鎴戜滑骞朵笉鑳戒綔鍑烘墍鏈夊嚱鏁扮殑鍥惧儚.</p>
- <p class="center"><img class="img-c" alt="" src="../../assets/images/0088-1.jpg" /></p>
- <p class="img">鍥�3-4</p>
- <p><span
- class="zt-ls"><b>渚�3</b></span>銆�浣跨敤鐜繚姣涘肪鏇夸唬涓�娆℃�х焊宸撅紝鏄�″浣庣⒊鐜繚鐢熸椿鐨勪竴绉嶆柟寮�.鏌愪究姘戣秴甯備績閿�鏌愮灏忔瘺宸撅紝姣忔潯鍞环4鍏冿紝姣忎汉闄愯喘5鏉�.鑻ラ【瀹㈣喘涔�<i>x</i>鏉″皬姣涘肪闇�瑕佷粯娆�<i>y</i>鍏冿紝璇曠敤鍥惧儚娉曡〃绀哄嚱鏁�<i>y</i>=<i>f</i>锛�<i>x</i>锛�.
- </p>
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+ <div v-if="isShowAnswer9" >
+ <p>瑙傚療涓婁竴鑺傗�滆瀵熸�濊�冣�濅腑鐨勬儏澧�3锛屾垜浠彂鐜扮敤鍥惧儚娉曡〃绀哄嚱鏁板叧绯绘椂鑳界洿瑙傚舰璞″湴琛ㄧず鍑哄嚱鏁扮殑灞�閮ㄥ彉鍖栬寰嬶紝杩涜�屽彲浠ラ娴嬪畠鐨勬暣浣撳彉鍖栬秼鍔�.浣嗘槸鎴戜滑骞朵笉鑳戒綔鍑烘墍鏈夊嚱鏁扮殑鍥惧儚.</p>
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<p>
- 鍑芥暟鐨勫浘鍍忔棦鍙互鏄鏁ｇ殑鐐癸紝涔熷彲浠ユ槸绾挎銆佺洿绾裤�佹姌绾裤�佽繛缁殑鏇茬嚎绛�.鍦ㄥ垵涓紝鎴戜滑鐢ㄥ垪琛ㄣ�佹弿鐐广�佽繛绾跨殑鏂规硶鐢诲嚭浜嗘姣斾緥鍑芥暟銆佸弽姣斾緥鍑芥暟銆佷竴娆″嚱鏁板拰浜屾鍑芥暟鐨勫浘鍍�.鍥惧儚娉曚篃琚ぇ閲忕敤浜庡悇绫绘暟鎹粺璁′腑.渚嬪锛孏DP锛堝浗鍐呯敓浜ф�诲�硷級姣忓勾鐨勫闀挎儏鍐点�佸眳姘戞秷璐逛环鏍兼瘡瀛ｅ害鐨勫闀挎儏鍐点�佸叏鍥戒汉鍙ｆ暟閲忔瘡骞寸殑鍙樺寲鎯呭喌绛�.
+ <span>
+ <span
+ class="zt-ls"><b>渚�3</b></span>銆�浣跨敤鐜繚姣涘肪鏇夸唬涓�娆℃�х焊宸撅紝鏄�″浣庣⒊鐜繚鐢熸椿鐨勪竴绉嶆柟寮�.鏌愪究姘戣秴甯備績閿�鏌愮灏忔瘺宸撅紝姣忔潯鍞环4鍏冿紝姣忎汉闄愯喘5鏉�.鑻ラ【瀹㈣喘涔�<i>x</i>鏉″皬姣涘肪闇�瑕佷粯娆�<i>y</i>鍏冿紝璇曠敤鍥惧儚娉曡〃绀哄嚱鏁�<i>y</i>=<i>f</i>锛�<i>x</i>锛�.
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- h鍚庡彲鍒拌揪娴锋腐.鍋囪杩欒墭鍐涜埌鍑哄彂t锛坔锛夊悗锛屼笌娴锋腐鐨勮窛绂绘槸s锛坣 mile锛�.</p>
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+ <p class="img">鍥�3-4</p>
+ <p>
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+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
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+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer12" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�2锛� 鍑芥暟<i>s</i>=<i>f</i>锛�<i>t</i>锛夋槸涓�娆″嚱鏁帮紝鐢ㄥ浘鍍忔硶鍙皢鍑芥暟琛ㄧず涓哄浘3-5.</p>
+ <p class="center"><img class="img-c" alt="" src="../../assets/images/0088-3.jpg" /></p>
+ <p class="img">鍥�3-5</p>
+ </div>
</div>
</div>
</div>
@@ -507,10 +687,6 @@
<li>涓婂唽</li>
</ul>
<div class="padding-116">
- <p>鍙堝洜涓鸿鍐涜埌鍑哄彂<i>t</i>锛�<i>h</i>锛夊悗锛岃椹剁殑璺▼涓�45<i>t n mile</i> 锛岃繖鏃惰鍐涜埌涓庢捣娓殑璺濈涓猴紙135-45<i>t</i>锛� <i>n mile</i> .</p>
- <p>鎵�浠ワ紝鐢ㄨВ鏋愭硶鍙皢鍑芥暟<i>s</i>=<i>f</i>锛�<i>t</i>锛夎〃绀轰负</p>
- <p class="center"><i>s</i>=-45<i>t</i>+135锛�0鈮�<i>t</i>鈮�3.</p>
- <p>锛�2锛� 鍑芥暟<i>s</i>=<i>f</i>锛�<i>t</i>锛夋槸涓�娆″嚱鏁帮紝鐢ㄥ浘鍍忔硶鍙皢鍑芥暟琛ㄧず涓哄浘3-5.</p>
<div class="bk-hzjl">
<div class="bj1-hzjl">
<p class="left"><img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /></p>
@@ -712,7 +888,22 @@
<mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
</mrow>
</math></p>
- <p>锛�1锛� 姹�<i>f</i>锛�-5锛夛紝<i>f</i>锛�4锛夌殑鍊硷紱</p>
+ <p class="p-btn" >
+ <span>
+ 锛�1锛� 姹�<i>f</i>锛�-5锛夛紝<i>f</i>锛�4锛夌殑鍊硷紱
+ </span>
+ <span class="btn-box" @click="isShowAnswer13 = !isShowAnswer13">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer13" >
+ <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 鍥犱负-5锛�0锛屾墍浠�<i>f</i>锛�-5锛�=-5+2=-3.</p>
+ <p>鍥犱负4锛�0锛屾墍浠� <i>f</i>锛�4锛�=4<sup>2</sup>-3=13.</p>
+ </div>
</div>
</div>
</div>
@@ -725,7 +916,20 @@
<li>涓婂唽</li>
</ul>
<div class="padding-116">
- <p>锛�2锛� 姹�<i>f</i>锛�<i>f</i>锛�-1锛夛級鐨勫��.</p>
+ <p class="p-btn" >
+ <span>锛�2锛� 姹�<i>f</i>锛�<i>f</i>锛�-1锛夛級鐨勫��.</span>
+ <span class="btn-box" @click="isShowAnswer14 = !isShowAnswer14">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer14">
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�2锛� 鍥犱负-1锛�0锛屾墍浠�<i>f</i>锛�-1锛�=-1+2=1.</p>
+ <p>鍙堝洜涓�1锛�0锛屾墍浠�<i>f</i>锛�<i>f</i>锛�-1锛夛級=<i>f</i>锛�1锛�=1<sup>2</sup>-3=-2.</p>
+ </div>
<div class="bk">
<div class="bj1">
<p class="left"><img class="img-gn1" alt="" src="../../assets/images/tbts.jpg" /></p>
@@ -734,89 +938,130 @@
鍒嗘鍑芥暟鏄竴涓嚱鏁帮紝涓嶈兘鎶婂畠鐪嬫垚鍑犱釜鍑芥暟锛屽彧鏄湪鍚屼竴涓嚱鏁扮殑瀹氫箟鍩熷唴锛屼笉鍚岀殑鍙栧�艰寖鍥村唴瀵瑰簲涓嶅悓鐨勫嚱鏁板叧绯�.瀹冪殑瀹氫箟鍩熸槸鍚勪釜瑙ｆ瀽寮忕殑鑷彉閲忓彇鍊奸泦鍚堢殑骞堕泦锛屽�煎煙涔熸槸鍚勪釜瑙ｆ瀽寮忕殑鍑芥暟鍊奸泦鍚堢殑骞堕泦.瀹冪殑鍥惧儚涔熸瘮杈冪壒娈婏紝鏈夋椂鍥惧儚鏄笉杩炵画鐨�.
</p>
</div>
- <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 鍥犱负-5锛�0锛屾墍浠�<i>f</i>锛�-5锛�=-5+2=-3.</p>
- <p>鍥犱负4锛�0锛屾墍浠� <i>f</i>锛�4锛�=4<sup>2</sup>-3=13.</p>
- <p>锛�2锛� 鍥犱负-1锛�0锛屾墍浠�<i>f</i>锛�-1锛�=-1+2=1.</p>
- <p>鍙堝洜涓�1锛�0锛屾墍浠�<i>f</i>锛�<i>f</i>锛�-1锛夛級=<i>f</i>锛�1锛�=1<sup>2</sup>-3=-2.</p>
- <p><span
+ <p>
+ <span
class="zt-ls"><b>渚�2</b></span>銆�鎴戝浗鏄敤鐢甸噺鏈�澶х殑鍥藉锛屽浗瀹跺彂鍑鸿妭鑳藉噺鎺掔殑鍙峰彫锛岄紦鍔卞眳姘戣妭绾︾敤鐢碉紝2019骞村浗瀹跺灞呮皯姣忔湀鐢ㄧ數閲忚繘琛屽垝鍒嗭紝鐢典环鏂借鈥滃垎妗ｉ�掑鈥�.鏌愬煄甯傚眳姘戞瘡鏈堢敤鐢佃璐逛环鏍煎琛�3-7鎵�绀�.鍋囪杩欎釜鍩庡競鐨勬煇灞呮皯鏌愭湀鐢ㄧ數閲忔槸<i>x</i>锛坘W路h锛夛紝闇�鏀粯鐢佃垂<i>y</i>锛堝厓锛�.
+ <span class="btn-box" @click="openDialog(thinkFour)">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112">
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+ </span>
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<p class="img">琛�3-7 鏌愬煄甯傚眳姘戞瘡鏈堢敤鐢佃璐逛环鏍艰〃</p>
<p class="center"><img class="img-a" alt="" src="../../assets/images/0091-1.jpg" /></p>
- <p>锛�1锛� 鐢ㄨВ鏋愭硶琛ㄧず<i>y</i>涓�<i>x</i>鐨勫嚱鏁板叧绯伙紝骞剁敾鍑哄嚱鏁扮殑鍥惧儚.</p>
- <p>锛�2锛� 濡傛灉鏉庢煇瀹�10鏈堢殑鐢ㄧ數閲忔槸180 kW路h 锛岄偅涔堜粬瀹跺簲璇ユ敮浠樼數璐瑰灏戯紵</p>
- <p>锛�3锛� 濡傛灉鍛ㄦ煇瀹�12鏈堟敮浠樼數璐�294.26鍏冿紝閭ｄ箞浠栧杩欎釜鏈堢殑鐢ㄧ數閲忔槸澶氬皯锛�</p>
- <p class="block"><span
- class="zt-ls2"><b>鍒嗘瀽</b></span>銆�棣栧厛闇�鏄庣‘杩欎釜鍑芥暟鐨勫畾涔夊煙.鐢变簬灞呮皯鐢ㄧ數閲忎笉鍚岋紝鍏舵敹璐规爣鍑嗕篃涓嶅悓锛屾墍浠ヨ繖鏄垎娈靛嚱鏁�.鍏舵瑕佸帢娓呰嚜鍙橀噺<i>x</i>鍦ㄤ笉鍚岀殑鍙栧�艰寖鍥村唴涓庡洜鍙橀噺<i>y</i>涔嬮棿鐨勫搴斿叧绯伙紝骞跺垪鍑虹浉搴旂殑瑙ｆ瀽寮忔潵瑙ｅ喅鐩稿叧闂.
+ <p class="p-btn" >
+ <span>锛�1锛� 鐢ㄨВ鏋愭硶琛ㄧず<i>y</i>涓�<i>x</i>鐨勫嚱鏁板叧绯伙紝骞剁敾鍑哄嚱鏁扮殑鍥惧儚.</span>
+ <span class="btn-box" @click="isShowAnswer15 = !isShowAnswer15">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
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+ transform="translate(-3327.144 15329)" />
+ </svg>
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</p>
- <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸{<i>x</i>|<i>x</i>鈮�0}.</p>
- <p>褰�0鈮�<i>x</i>鈮�200鏃讹紝<i>y</i>涓�<i>x</i>鐨勫搴斿叧绯绘槸<i>y</i>=0.52<i>x</i>锛�</p>
- <p>褰�200锛�<i>x</i>鈮�400鏃讹紝<i>y</i>涓�<i>x</i>鐨勫搴斿叧绯绘槸</p>
- <p class="center"><i>y</i>=0.52脳200+0.57锛�<i>x</i>-200锛�=0.57<i>x</i>-10锛�</p>
- <p>褰�<i>x</i>锛�400鏃讹紝<i>y</i>涓�<i>x</i>鐨勫搴斿叧绯绘槸</p>
- <p><i>y</i>=0.52脳200+0.57脳200+0.82锛�<i>x</i>-400锛�=0.82<i>x</i>-110.</p>
- <p>鐢ㄨВ鏋愭硶琛ㄧず<i>y</i>涓�<i>x</i>鐨勫嚱鏁板叧绯诲涓�.</p>
- <math display="block">
- <mi>y</mi>
- <mo>=</mo>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">{</mo>
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- <mn>0.52</mn>
- <mi>x</mi>
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- <mo>鈭�</mo>
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- <mo>锛�</mo>
- <mi>x</mi>
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- <mo>锛�</mo>
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- <mtd></mtd>
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- <mo>锛�</mo>
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- </mrow>
- </math>
- <p class="center"><img class="img-c" alt="" src="../../assets/images/0092-1.jpg" /></p>
- <p class="img">鍥�3-7</p>
+ <div v-if="isShowAnswer15" >
+ <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸{<i>x</i>|<i>x</i>鈮�0}.</p>
+ <p>褰�0鈮�<i>x</i>鈮�200鏃讹紝<i>y</i>涓�<i>x</i>鐨勫搴斿叧绯绘槸<i>y</i>=0.52<i>x</i>锛�</p>
+ <p>褰�200锛�<i>x</i>鈮�400鏃讹紝<i>y</i>涓�<i>x</i>鐨勫搴斿叧绯绘槸</p>
+ <p class="center"><i>y</i>=0.52脳200+0.57锛�<i>x</i>-200锛�=0.57<i>x</i>-10锛�</p>
+ <p>褰�<i>x</i>锛�400鏃讹紝<i>y</i>涓�<i>x</i>鐨勫搴斿叧绯绘槸</p>
+ <p><i>y</i>=0.52脳200+0.57脳200+0.82锛�<i>x</i>-400锛�=0.82<i>x</i>-110.</p>
+ <p>鐢ㄨВ鏋愭硶琛ㄧず<i>y</i>涓�<i>x</i>鐨勫嚱鏁板叧绯诲涓�.</p>
+ <math display="block">
+ <mi>y</mi>
+ <mo>=</mo>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">{</mo>
+ <mtable columnspacing="1em" rowspacing="4pt">
+ <mtr>
+ <mtd>
+ <mn>0.52</mn>
+ <mi>x</mi>
+ <mo>锛�</mo>
+ <mn>0</mn>
+ <mo>鈮�</mo>
+ <mi>x</mi>
+ <mo>鈮�</mo>
+ <mn>200</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ <mtd></mtd>
+ <mtd></mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mn>0.57</mn>
+ <mi>x</mi>
+ <mo>鈭�</mo>
+ <mn>10</mn>
+ <mo>锛�</mo>
+ <mn>200</mn>
+ <mo>锛�</mo>
+ <mi>x</mi>
+ <mo>鈮�</mo>
+ <mn>400</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ <mtd></mtd>
+ <mtd></mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mn>0.82</mn>
+ <mi>x</mi>
+ <mo>鈭�</mo>
+ <mn>110</mn>
+ <mo>锛�</mo>
+ <mi>x</mi>
+ <mo>锛�</mo>
+ <mn>400.</mn>
+ </mtd>
+ <mtd></mtd>
+ <mtd></mtd>
+ <mtd></mtd>
+ </mtr>
+ </mtable>
+ <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
+ </mrow>
+ </math>
+ <p class="center"><img class="img-c" alt="" src="../../assets/images/0092-1.jpg" /></p>
+ <p class="img">鍥�3-7</p>
+ <p>杩欎釜鍑芥暟鐨勫浘鍍忓鍥�3-7鎵�绀�.</p>
+ </div>
+ <p class="p-btn" >
+ <span>锛�2锛� 濡傛灉鏉庢煇瀹�10鏈堢殑鐢ㄧ數閲忔槸180 kW路h 锛岄偅涔堜粬瀹跺簲璇ユ敮浠樼數璐瑰灏戯紵</span>
+ <span class="btn-box" @click="isShowAnswer16 = !isShowAnswer16">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer16" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�2锛� 鍥犱负<i>x</i>=180锛�200锛�<i>y</i>=0.52脳180=93.60锛堝厓锛�.</p>
+ <p>鎵�浠ワ紝鏉庢煇瀹�10鏈堝簲璇ユ敮浠樼數璐�93.60鍏�.</p>
+ </div>
+ <p class="p-btn" >
+ <span>锛�3锛� 濡傛灉鍛ㄦ煇瀹�12鏈堟敮浠樼數璐�294.26鍏冿紝閭ｄ箞浠栧杩欎釜鏈堢殑鐢ㄧ數閲忔槸澶氬皯锛�</span>
+ <span class="btn-box" @click="isShowAnswer17 = !isShowAnswer17">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer17" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�3锛� 鍛ㄦ煇瀹剁數璐规槸294.26鍏冿紝鐢卞浘3-7鍙及寰�<i>x</i>锛�400锛屽洜姝�</p>
+ <p class="center">0.82<i>x</i>-110=294.26锛�</p>
+ <p>瑙ｅ緱<i>x</i>=493.</p>
+ <p>鎵�浠ワ紝鍛ㄦ煇瀹�12鏈堢殑鐢ㄧ數閲忎负493 kW路h .</p>
+ </div>
</div>
</div>
</div>
@@ -832,13 +1077,7 @@
</li>
</ul>
<div class="padding-116">
- <p>杩欎釜鍑芥暟鐨勫浘鍍忓鍥�3-7鎵�绀�.</p>
- <p>锛�2锛� 鍥犱负<i>x</i>=180锛�200锛�<i>y</i>=0.52脳180=93.60锛堝厓锛�.</p>
- <p>鎵�浠ワ紝鏉庢煇瀹�10鏈堝簲璇ユ敮浠樼數璐�93.60鍏�.</p>
- <p>锛�3锛� 鍛ㄦ煇瀹剁數璐规槸294.26鍏冿紝鐢卞浘3-7鍙及寰�<i>x</i>锛�400锛屽洜姝�</p>
- <p class="center">0.82<i>x</i>-110=294.26锛�</p>
- <p>瑙ｅ緱<i>x</i>=493.</p>
- <p>鎵�浠ワ紝鍛ㄦ煇瀹�12鏈堢殑鐢ㄧ數閲忎负493 kW路h .</p>
+
<div class="bk-hzjl">
<div class="bj1-hzjl">
<p class="left"><img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /></p>
@@ -947,12 +1186,32 @@
渚嬪锛屽浘3-8涓嚱鏁�<i>y</i>=<i>x</i>鏄�<b>R</b>涓婄殑澧炲嚱鏁帮紝鍖洪棿锛�-鈭烇紝+鈭烇級鏄嚱鏁�<i>y</i>=<i>x</i>鐨勫鍖洪棿锛涘嚱鏁�<i>y</i>=-<i>x</i>鏄�<b>R</b>涓婄殑鍑忓嚱鏁帮紝鍖洪棿锛�-鈭烇紝+鈭烇級鏄嚱鏁�<i>y</i>=-<i>x</i>鐨勫噺鍖洪棿锛涘嚱鏁�<i>y</i>=<i>x</i><sup>2</sup>鍦ㄥ尯闂达紙-鈭烇紝0锛変笂鏄噺鍑芥暟锛屽湪鍖洪棿锛�0锛�+鈭烇級涓婃槸澧炲嚱鏁帮紝鍖洪棿锛�-鈭烇紝0锛夊拰锛�0锛�+鈭烇級鍒嗗埆鏄嚱鏁�<i>y</i>=<i>x</i><sup>2</sup>鐨勫噺鍖洪棿銆佸鍖洪棿.
</p>
<p><span class="zt-ls"><b>渚�1</b></span>銆�鍥�3-11鏄嚱鏁�<i>y</i>=<i>f</i>锛�<i>x</i>锛夛紝<i>x</i>鈭堬蓟-1锛�8锛界殑鍥惧儚锛屾牴鎹浘鍍忓洖绛斾笅鍒楅棶棰�.</p>
- <p>锛�1锛� 褰�<i>x</i>鍙栦綍鍊兼椂锛屽嚱鏁板�兼渶澶э紝鏈�澶у�兼槸澶氬皯锛熷綋<i>x</i>鍙栦綍鍊兼椂锛屽嚱鏁板�兼渶灏忥紝鏈�灏忓�兼槸澶氬皯锛�</p>
- <p>锛�2锛� 璇存槑璇ュ嚱鏁扮殑鍗曡皟鍖洪棿鍙婂湪姣忎竴涓尯闂翠笂鐨勫崟璋冩��.</p>
+ <p class="p-btn" >
+ <span>锛�1锛� 褰�<i>x</i>鍙栦綍鍊兼椂锛屽嚱鏁板�兼渶澶э紝鏈�澶у�兼槸澶氬皯锛熷綋<i>x</i>鍙栦綍鍊兼椂锛屽嚱鏁板�兼渶灏忥紝鏈�灏忓�兼槸澶氬皯锛�</span>
+ <span class="btn-box" @click="isShowAnswer18 = !isShowAnswer18">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <p v-if="isShowAnswer18" ><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 鐢卞浘鍙煡锛屽綋<i>x</i>=2鏃讹紝鍑芥暟鍊兼渶澶э紝鏈�澶у�兼槸3锛涘綋<i>x</i>=6鏃讹紝鍑芥暟鍊兼渶灏忥紝鏈�灏忓�兼槸-3.</p>
+ <p class="p-btn" >
+ <span>锛�2锛� 璇存槑璇ュ嚱鏁扮殑鍗曡皟鍖洪棿鍙婂湪姣忎竴涓尯闂翠笂鐨勫崟璋冩��.</span>
+ <span class="btn-box" @click="isShowAnswer19 = !isShowAnswer19">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
<p class="center"><img class="img-c" alt="" src="../../assets/images/0097-3.jpg" /></p>
<p class="img">鍥�3-11</p>
- <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 鐢卞浘鍙煡锛屽綋<i>x</i>=2鏃讹紝鍑芥暟鍊兼渶澶э紝鏈�澶у�兼槸3锛涘綋<i>x</i>=6鏃讹紝鍑芥暟鍊兼渶灏忥紝鏈�灏忓�兼槸-3.</p>
- <p>锛�2锛�
+ <p v-if="isShowAnswer19" >
+ <span class="zt-ls"><b>瑙�</b></span>
+ 锛�2锛�
鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑鍗曡皟鍖洪棿鏈夛蓟-1锛�2锛斤紝锛�2锛�6锛斤紝锛�6锛�8锛�.鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夊湪鍖洪棿锛�-1锛�2锛藉拰锛�6锛�8锛戒笂閮芥槸澧炲嚱鏁帮紝鍦ㄥ尯闂达蓟2锛�6锛戒笂鏄噺鍑芥暟.
</p>
</div>
@@ -974,24 +1233,21 @@
<p class="img">鍥�3-12</p>
<p><span class="zt-ls"><b>渚�2</b></span>銆�浜屾鍑芥暟<i>f</i>锛�<i>x</i>锛�=-<i>x</i><sup>2</sup>+2<i>x</i>+3鐨勫浘鍍忓鍥�3-12鎵�绀�.
</p>
- <p>锛�1锛� 姹傚嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀵圭О杞存柟绋嬨�侀《鐐瑰潗鏍囷紱</p>
- <p>锛�2锛� 鎵惧嚭鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鍗曡皟鍖洪棿锛�</p>
- <p>锛�3锛� 褰�<i>x</i>鈭堬蓟2锛�5锛芥椂锛屾眰鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鏈�澶у�煎拰鏈�灏忓��.</p>
- <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 浜屾鍑芥暟<i>y</i>=<i>ax</i><sup>2</sup>+<i>bx</i>+<i>c</i>鐨勫绉拌酱鏂圭▼鏄�<math
- display="0">
- <mi>x</mi>
- <mo>=</mo>
- <mfrac>
- <mi>b</mi>
- <mrow>
- <mn>2</mn>
- <mi>a</mi>
- </mrow>
- </mfrac>
- </math>锛岄《鐐瑰潗鏍囨槸<math display="0">
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mo>鈭�</mo>
+ <p class="p-btn" >
+ <span>锛�1锛� 姹傚嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀵圭О杞存柟绋嬨�侀《鐐瑰潗鏍囷紱</span>
+ <span class="btn-box" @click="isShowAnswer20 = !isShowAnswer20">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer20" >
+ <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 浜屾鍑芥暟<i>y</i>=<i>ax</i><sup>2</sup>+<i>bx</i>+<i>c</i>鐨勫绉拌酱鏂圭▼鏄�<math
+ display="0">
+ <mi>x</mi>
+ <mo>=</mo>
<mfrac>
<mi>b</mi>
<mrow>
@@ -999,32 +1255,9 @@
<mi>a</mi>
</mrow>
</mfrac>
- <mo>锛�</mo>
- <mfrac>
- <mrow>
- <mn>4</mn>
- <mi>a</mi>
- <mi>c</mi>
- <mo>鈭�</mo>
- <msup>
- <mi>b</mi>
- <mrow>
- <mn>2</mn>
- </mrow>
- </msup>
- </mrow>
- <mrow>
- <mn>4</mn>
- <mi>a</mi>
- </mrow>
- </mfrac>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- </math>锛屽垯</p>
- <math display="block">
- <mtable columnalign="left" columnspacing="1em" rowspacing="4pt">
- <mtr>
- <mtd>
+ </math>锛岄《鐐瑰潗鏍囨槸<math display="0">
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
<mo>鈭�</mo>
<mfrac>
<mi>b</mi>
@@ -1033,25 +1266,7 @@
<mi>a</mi>
</mrow>
</mfrac>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mfrac>
- <mn>2</mn>
- <mrow>
- <mn>2</mn>
- <mo>脳</mo>
- <mo stretchy="false">(</mo>
- <mo>鈭�</mo>
- <mn>1</mn>
- <mo stretchy="false">)</mo>
- </mrow>
- </mfrac>
- <mo>=</mo>
- <mn>1锛�</mn>
- </mtd>
- </mtr>
- <mtr>
- <mtd>
+ <mo>锛�</mo>
<mfrac>
<mrow>
<mn>4</mn>
@@ -1070,69 +1285,158 @@
<mi>a</mi>
</mrow>
</mfrac>
- <mo>=</mo>
- <mfrac>
- <mrow>
- <mn>4</mn>
- <mo>脳</mo>
- <mo stretchy="false">(</mo>
- <mo>鈭�</mo>
- <mn>1</mn>
- <mo stretchy="false">)</mo>
- <mo>脳</mo>
- <mn>3</mn>
- <mo>鈭�</mo>
- <msup>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ </math>锛屽垯</p>
+ <math display="block">
+ <mtable columnalign="left" columnspacing="1em" rowspacing="4pt">
+ <mtr>
+ <mtd>
+ <mo>鈭�</mo>
+ <mfrac>
+ <mi>b</mi>
+ <mrow>
<mn>2</mn>
- <mrow>
+ <mi>a</mi>
+ </mrow>
+ </mfrac>
+ <mo>=</mo>
+ <mo>鈭�</mo>
+ <mfrac>
+ <mn>2</mn>
+ <mrow>
+ <mn>2</mn>
+ <mo>脳</mo>
+ <mo stretchy="false">(</mo>
+ <mo>鈭�</mo>
+ <mn>1</mn>
+ <mo stretchy="false">)</mo>
+ </mrow>
+ </mfrac>
+ <mo>=</mo>
+ <mn>1锛�</mn>
+ </mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mfrac>
+ <mrow>
+ <mn>4</mn>
+ <mi>a</mi>
+ <mi>c</mi>
+ <mo>鈭�</mo>
+ <msup>
+ <mi>b</mi>
+ <mrow>
+ <mn>2</mn>
+ </mrow>
+ </msup>
+ </mrow>
+ <mrow>
+ <mn>4</mn>
+ <mi>a</mi>
+ </mrow>
+ </mfrac>
+ <mo>=</mo>
+ <mfrac>
+ <mrow>
+ <mn>4</mn>
+ <mo>脳</mo>
+ <mo stretchy="false">(</mo>
+ <mo>鈭�</mo>
+ <mn>1</mn>
+ <mo stretchy="false">)</mo>
+ <mo>脳</mo>
+ <mn>3</mn>
+ <mo>鈭�</mo>
+ <msup>
<mn>2</mn>
- </mrow>
- </msup>
- </mrow>
- <mrow>
- <mn>4</mn>
- <mo>脳</mo>
- <mo stretchy="false">(</mo>
- <mo>鈭�</mo>
- <mn>1</mn>
- <mo stretchy="false">)</mo>
- </mrow>
- </mfrac>
- <mo>=</mo>
- <mn>4</mn>
- <mo>.</mo>
- </mtd>
- </mtr>
- </mtable>
- </math>
- <p>鍥犳锛屽嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀵圭О杞存柟绋嬫槸<i>x</i>=1锛岄《鐐瑰潗鏍囨槸锛�1锛�4锛�.</p>
+ <mrow>
+ <mn>2</mn>
+ </mrow>
+ </msup>
+ </mrow>
+ <mrow>
+ <mn>4</mn>
+ <mo>脳</mo>
+ <mo stretchy="false">(</mo>
+ <mo>鈭�</mo>
+ <mn>1</mn>
+ <mo stretchy="false">)</mo>
+ </mrow>
+ </mfrac>
+ <mo>=</mo>
+ <mn>4</mn>
+ <mo>.</mo>
+ </mtd>
+ </mtr>
+ </mtable>
+ </math>
+ <p>鍥犳锛屽嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀵圭О杞存柟绋嬫槸<i>x</i>=1锛岄《鐐瑰潗鏍囨槸锛�1锛�4锛�.</p>
+ </div>
+ <p class="p-btn" >
+ <span>锛�2锛� 鎵惧嚭鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鍗曡皟鍖洪棿锛�</span>
+ <span class="btn-box" @click="isShowAnswer21 = !isShowAnswer21">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <p v-if="isShowAnswer21" > <span class="zt-ls"><b>瑙�</b></span>锛�2锛� 鐢卞浘鍍忓彲鐭ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑澧炲尯闂存槸锛�-鈭烇紝1锛斤紝鍑忓尯闂存槸锛�1锛�+鈭烇級.</p>
+ <p class="p-btn" >
+ <span>锛�3锛� 褰�<i>x</i>鈭堬蓟2锛�5锛芥椂锛屾眰鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鏈�澶у�煎拰鏈�灏忓��.</span>
+ <span class="btn-box" @click="isShowAnswer22 = !isShowAnswer22">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer22" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�3锛� 鍥犱负锛�2锛�5锛解珛锛�1锛�+鈭烇級锛屼笖鍑芥暟鍦ㄥ尯闂达蓟1锛�+鈭烇級涓婃槸鍑忓嚱鏁帮紝鎵�浠ュ綋<i>x</i>鈭堬蓟2锛�5锛芥椂锛�</p>
+ <p>鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鏈�澶у�兼槸<i>f</i>锛�2锛�=-2<sup>2</sup>+2脳2+3=3锛�</p>
+ <p>鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鏈�灏忓�兼槸<i>f</i>锛�5锛�=-5<sup>2</sup>+2脳5+3=-12.</p>
+ </div>
<div class="bk">
<div class="bj1">
<p class="left"><img class="img-gn1" alt="" src="../../assets/images/tbts.jpg" /></p>
</div>
<p class="block">鍑芥暟鐨勫崟璋冩�ф槸瀵瑰畾涔夊煙鍐呮煇涓尯闂磋�岃█鐨�.涓�涓嚱鏁板湪鍏跺畾涔夊煙涓婁笉涓�瀹氬叿鏈夊崟璋冩�э紝浣嗘槸鍦ㄥ畾涔夊煙鍐呯殑瀛愬尯闂翠笂鍙兘鍏锋湁鍗曡皟鎬э紝杩欏氨鏄嚱鏁板崟璋冩�х殑灞�閮ㄦ�ц川.</p>
</div>
- <p>锛�2锛� 鐢卞浘鍍忓彲鐭ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑澧炲尯闂存槸锛�-鈭烇紝1锛斤紝鍑忓尯闂存槸锛�1锛�+鈭烇級.</p>
- <p>锛�3锛� 鍥犱负锛�2锛�5锛解珛锛�1锛�+鈭烇級锛屼笖鍑芥暟鍦ㄥ尯闂达蓟1锛�+鈭烇級涓婃槸鍑忓嚱鏁帮紝鎵�浠ュ綋<i>x</i>鈭堬蓟2锛�5锛芥椂锛�</p>
- <p>鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鏈�澶у�兼槸<i>f</i>锛�2锛�=-2<sup>2</sup>+2脳2+3=3锛�</p>
- <p>鍑芥暟<i>f</i>锛�<i>x</i>锛夌殑鏈�灏忓�兼槸<i>f</i>锛�5锛�=-5<sup>2</sup>+2脳5+3=-12.</p>
- <p><span class="zt-ls"><b>渚�3</b></span>銆�鍒ゆ柇鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+1鍦紙-鈭烇紝+鈭烇級涓婄殑鍗曡皟鎬�.</p>
- <p><span class="zt-ls"><b>瑙�</b></span>
- 浠诲彇<i>x</i><sub>1</sub>锛�<i>x</i><sub>2</sub>鈭堬紙-鈭烇紝+鈭烇級锛屼笖<i>x</i><sub>1</sub>锛�<i>x</i><sub>2</sub>锛岄偅涔�</p>
- <p class="center">
- <i>f</i>锛�<i>x</i><sub>1</sub>锛�=<i>x</i><sub>1</sub>+1锛�<i>f</i>锛�<i>x</i><sub>2</sub>锛�=<i>x</i><sub>2</sub>+1锛�
+ <p class="p-btn" >
+ <span>
+ <span class="zt-ls"><b>渚�3</b></span>銆�鍒ゆ柇鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+1鍦紙-鈭烇紝+鈭烇級涓婄殑鍗曡皟鎬�.
+ </span>
+ <span class="btn-box" @click="isShowAnswer23 = !isShowAnswer23">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
</p>
- <p>鍒�</p>
- <p class="center">
- <i>f</i>锛�<i>x</i><sub>1</sub>锛�-<i>f</i>锛�<i>x</i><sub>2</sub>锛�=<i>x</i><sub>1</sub>+1-<i>x</i><sub>2</sub>-1=<i>x</i><sub>1</sub>-<i>x</i><sub>2</sub>锛�0锛�
- </p>
- <p>
- 鎵�浠�<i>f</i>锛�<i>x</i><sub>1</sub>锛夛紲<i>f</i>锛�<i>x</i><sub>2</sub>锛夛紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+1鍦紙-鈭烇紝+鈭烇級涓婃槸澧炲嚱鏁�.
- </p>
- <p>褰�<i>k</i>锛�0鏃讹紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>kx</i>+<i>b</i>鍦ㄥ尯闂达紙-鈭烇紝+鈭烇級涓婃槸澧炲嚱鏁帮紝濡傚浘3-13锛�1锛�
- 鎵�绀猴紱褰�<i>k</i>锛�0鏃讹紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>kx</i>+<i>b</i>鍦ㄥ尯闂达紙-鈭烇紝+鈭烇級涓婃槸鍑忓嚱鏁帮紝濡傚浘3-13锛�2锛� 鎵�绀�.</p>
- <p class="center"><img class="img-b" alt="" src="../../assets/images/0098-5.jpg" /></p>
- <p class="img">鍥�3-13</p>
+ <div v-if="isShowAnswer23" >
+ <p><span class="zt-ls"><b>瑙�</b></span>
+ 浠诲彇<i>x</i><sub>1</sub>锛�<i>x</i><sub>2</sub>鈭堬紙-鈭烇紝+鈭烇級锛屼笖<i>x</i><sub>1</sub>锛�<i>x</i><sub>2</sub>锛岄偅涔�</p>
+ <p class="center">
+ <i>f</i>锛�<i>x</i><sub>1</sub>锛�=<i>x</i><sub>1</sub>+1锛�<i>f</i>锛�<i>x</i><sub>2</sub>锛�=<i>x</i><sub>2</sub>+1锛�
+ </p>
+ <p>鍒�</p>
+ <p class="center">
+ <i>f</i>锛�<i>x</i><sub>1</sub>锛�-<i>f</i>锛�<i>x</i><sub>2</sub>锛�=<i>x</i><sub>1</sub>+1-<i>x</i><sub>2</sub>-1=<i>x</i><sub>1</sub>-<i>x</i><sub>2</sub>锛�0锛�
+ </p>
+ <p>
+ 鎵�浠�<i>f</i>锛�<i>x</i><sub>1</sub>锛夛紲<i>f</i>锛�<i>x</i><sub>2</sub>锛夛紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+1鍦紙-鈭烇紝+鈭烇級涓婃槸澧炲嚱鏁�.
+ </p>
+ <p>褰�<i>k</i>锛�0鏃讹紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>kx</i>+<i>b</i>鍦ㄥ尯闂达紙-鈭烇紝+鈭烇級涓婃槸澧炲嚱鏁帮紝濡傚浘3-13锛�1锛�
+ 鎵�绀猴紱褰�<i>k</i>锛�0鏃讹紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>kx</i>+<i>b</i>鍦ㄥ尯闂达紙-鈭烇紝+鈭烇級涓婃槸鍑忓嚱鏁帮紝濡傚浘3-13锛�2锛� 鎵�绀�.</p>
+ <p class="center"><img class="img-b" alt="" src="../../assets/images/0098-5.jpg" /></p>
+ <p class="img">鍥�3-13</p>
+ </div>
+ <iframe src="https://www.geogebra.org/calculator" frameborder="0" class="iframe-box"></iframe>
</div>
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@@ -1310,17 +1614,20 @@
<img class="img-c" alt="" src="../../assets/images/0102-1.jpg" style="width: 40%" />
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- <p v-if="isShowExampleTwo">
- <span class="zt-ls"><b>瑙�</b></span>
- 鍑芥暟<i>f</i>锛�<i>x</i>锛�=|<i>x</i>|+1鐨勫畾涔夊煙鏄紙-鈭烇紝+鈭烇級锛屽洜涓哄畠鏄伓鍑芥暟锛屾墍浠ユ牴鎹叾鍥惧儚鍏充簬<i>y</i>杞村绉扮殑鐗圭偣锛屽嵆鍙敾鍑鸿繖涓嚱鏁板湪<i>x</i>鈭堬紙-鈭烇紝0锛戒笂鐨勫浘鍍�.
- </p>
- <p>
- 濡傚浘3-18鎵�绀猴紝鍦�<i>y</i>杞村彸杈圭殑鍥惧儚涓婂彇涓ょ偣<i>A</i>鍜�<i>B</i>锛屽垎鍒敾鍑哄畠浠叧浜�<i>y</i>杞村绉扮殑鐐�<i>A</i>鈥插拰<i>B</i>鈥诧紝鐒跺悗杩炵嚎<i>A</i>鈥�<i>B</i>鈥诧紝灏卞緱鍒拌繖涓嚱鏁扮殑鍥惧儚鍦�<i>y</i>杞村乏杈圭殑閮ㄥ垎.
- </p>
- <p class="center openImgBox">
- <img class="img-c" alt="" src="../../assets/images/0102-2.jpg" style="width: 40%" />
- </p>
- <p class="img">鍥�3-18</p>
+ <iframe src="https://www.geogebra.org/calculator" frameborder="0" class="iframe-box"></iframe>
+ <div v-if="isShowExampleTwo">
+ <p>
+ <span class="zt-ls"><b>瑙�</b></span>
+ 鍑芥暟<i>f</i>锛�<i>x</i>锛�=|<i>x</i>|+1鐨勫畾涔夊煙鏄紙-鈭烇紝+鈭烇級锛屽洜涓哄畠鏄伓鍑芥暟锛屾墍浠ユ牴鎹叾鍥惧儚鍏充簬<i>y</i>杞村绉扮殑鐗圭偣锛屽嵆鍙敾鍑鸿繖涓嚱鏁板湪<i>x</i>鈭堬紙-鈭烇紝0锛戒笂鐨勫浘鍍�.
+ </p>
+ <p>
+ 濡傚浘3-18鎵�绀猴紝鍦�<i>y</i>杞村彸杈圭殑鍥惧儚涓婂彇涓ょ偣<i>A</i>鍜�<i>B</i>锛屽垎鍒敾鍑哄畠浠叧浜�<i>y</i>杞村绉扮殑鐐�<i>A</i>鈥插拰<i>B</i>鈥诧紝鐒跺悗杩炵嚎<i>A</i>鈥�<i>B</i>鈥诧紝灏卞緱鍒拌繖涓嚱鏁扮殑鍥惧儚鍦�<i>y</i>杞村乏杈圭殑閮ㄥ垎.
+ </p>
+ <p class="center openImgBox">
+ <img class="img-c" alt="" src="../../assets/images/0102-2.jpg" style="width: 40%" />
+ </p>
+ <p class="img">鍥�3-18</p>
+ </div>
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@@ -1344,24 +1651,11 @@
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<p class="center"><img class="img-f" alt="" src="../../assets/images/0105-1.jpg" /></p>
<p class="img">鍥�3-20</p>
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+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
<p class="center"><img class="img-b" alt="" src="../../assets/images/0105-2.jpg" /></p>
<p class="img">鍥�3-21</p>
- <p><span class="zt-ls"><b>瑙�</b></span> 鍦ㄥ洓涓嚱鏁板浘鍍忎腑锛屽浘3-21锛�1锛� 銆佸浘3-21锛�2锛� 鍜屽浘3-21锛�3锛� 鐨勫嚱鏁板浘鍍忓叧浜庡師鐐逛腑蹇冨绉帮紱鍥�3-21锛�4锛�
+ <p v-if="isShowAnswer24" ><span class="zt-ls"><b>瑙�</b></span> 鍦ㄥ洓涓嚱鏁板浘鍍忎腑锛屽浘3-21锛�1锛� 銆佸浘3-21锛�2锛� 鍜屽浘3-21锛�3锛� 鐨勫嚱鏁板浘鍍忓叧浜庡師鐐逛腑蹇冨绉帮紱鍥�3-21锛�4锛�
鐨勫嚱鏁板浘鍍忎笉鏄叧浜庡師鐐逛腑蹇冨绉扮殑.鏍规嵁濂囧嚱鏁扮殑鍥惧儚鍏锋湁鍏充簬鍘熺偣涓績瀵圭О鐨勭壒鐐癸紝鍥�3-21锛�1锛� 銆佸浘3-21锛�2锛� 鍜屽浘3-21锛�3锛� 鐨勫嚱鏁版槸濂囧嚱鏁帮紝鍥�3-21锛�4锛� 鐨勫嚱鏁颁笉鏄鍑芥暟.</p>
</div>
</div>
@@ -1581,112 +1886,111 @@
</li>
</ul>
<div class="padding-116">
- <p><span class="zt-ls"><b>渚�5</b></span>銆�宸茬煡鍑芥暟<math display="0">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mfrac>
- <mn>1</mn>
- <mi>x</mi>
- </mfrac>
- </math>鍥惧儚鍦�<i>y</i>杞村彸杈圭殑閮ㄥ垎濡傚浘3-22鎵�绀�.璇曠敾鍑鸿繖涓嚱鏁板浘鍍忓湪<i>y</i>杞村乏杈圭殑閮ㄥ垎.</p>
- <p><span class="zt-ls"><b>瑙�</b></span> 鍑芥暟<math display="0">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mfrac>
- <mn>1</mn>
- <mi>x</mi>
- </mfrac>
- </math>鐨勫畾涔夊煙鏄紙-鈭烇紝0锛夆埅锛�0+鈭烇級锛屽洜涓哄畠鏄鍑芥暟锛屾墍浠ユ牴鎹叾鍥惧儚鍏充簬鍘熺偣涓績瀵圭О鐨勭壒鐐癸紝鍗冲彲鐢诲嚭杩欎釜鍑芥暟鍦�<i>x</i>鈭堬紙-鈭烇紝0锛変笂鐨勫浘鍍�.</p>
- <p>
- 濡傚浘3-23鎵�绀猴紝鍦�<i>y</i>杞村彸杈圭殑鍥惧儚涓婂彇涓変釜涓嶅悓鐐�<i>A</i>锛�<i>B</i>鍜�<i>C</i>锛屽苟鐢诲嚭瀹冧滑鍒嗗埆鍏充簬鍘熺偣瀵圭О鐨勭偣<i>A</i>鈥诧紝<i>B</i>鈥插拰<i>C</i>鈥诧紝鐒跺悗鎸夌浉鍚屾柟寮忕敤鍏夋粦鐨勬洸绾胯繛绾匡紝灏卞緱鍒拌繖涓嚱鏁扮殑鍥惧儚鍦�<i>y</i>杞村乏杈圭殑閮ㄥ垎.
+ <p class="p-btn" >
+ <span>
+ <span class="zt-ls"><b>渚�5</b></span>銆�宸茬煡鍑芥暟<math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ </math>鍥惧儚鍦�<i>y</i>杞村彸杈圭殑閮ㄥ垎濡傚浘3-22鎵�绀�.璇曠敾鍑鸿繖涓嚱鏁板浘鍍忓湪<i>y</i>杞村乏杈圭殑閮ㄥ垎.
+ </span>
+ <span class="btn-box" @click="isShowAnswer25 = !isShowAnswer25">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
</p>
<p class="center"><img class="img-c" alt="" src="../../assets/images/0106-3.jpg" /></p>
<p class="img">鍥�3-22</p>
- <p class="center"><img class="img-c" alt="" src="../../assets/images/0106-4.jpg" /></p>
- <p class="img">鍥�3-23</p>
- <p>涓庡伓鍑芥暟鐨勫垽瀹氭柟娉曠被浼硷紝闄や簡鍊熷姪鍑芥暟鐨勫浘鍍忔潵鍒ゆ柇鍑芥暟鏄笉鏄鍑芥暟锛屼篃鍙敤瀹氫箟鍒ゆ柇鍑芥暟鏄笉鏄鍑芥暟.</p>
+ <iframe src="https://www.geogebra.org/calculator" frameborder="0" class="iframe-box"></iframe>
+ <div v-if="isShowAnswer25" >
+ <p><span class="zt-ls"><b>瑙�</b></span> 鍑芥暟<math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ </math>鐨勫畾涔夊煙鏄紙-鈭烇紝0锛夆埅锛�0+鈭烇級锛屽洜涓哄畠鏄鍑芥暟锛屾墍浠ユ牴鎹叾鍥惧儚鍏充簬鍘熺偣涓績瀵圭О鐨勭壒鐐癸紝鍗冲彲鐢诲嚭杩欎釜鍑芥暟鍦�<i>x</i>鈭堬紙-鈭烇紝0锛変笂鐨勫浘鍍�.</p>
+ <p>
+ 濡傚浘3-23鎵�绀猴紝鍦�<i>y</i>杞村彸杈圭殑鍥惧儚涓婂彇涓変釜涓嶅悓鐐�<i>A</i>锛�<i>B</i>鍜�<i>C</i>锛屽苟鐢诲嚭瀹冧滑鍒嗗埆鍏充簬鍘熺偣瀵圭О鐨勭偣<i>A</i>鈥诧紝<i>B</i>鈥插拰<i>C</i>鈥诧紝鐒跺悗鎸夌浉鍚屾柟寮忕敤鍏夋粦鐨勬洸绾胯繛绾匡紝灏卞緱鍒拌繖涓嚱鏁扮殑鍥惧儚鍦�<i>y</i>杞村乏杈圭殑閮ㄥ垎.
+ </p>
+ <p class="center"><img class="img-c" alt="" src="../../assets/images/0106-4.jpg" /></p>
+ <p class="img">鍥�3-23</p>
+ <p>涓庡伓鍑芥暟鐨勫垽瀹氭柟娉曠被浼硷紝闄や簡鍊熷姪鍑芥暟鐨勫浘鍍忔潵鍒ゆ柇鍑芥暟鏄笉鏄鍑芥暟锛屼篃鍙敤瀹氫箟鍒ゆ柇鍑芥暟鏄笉鏄鍑芥暟.</p>
+ </div>
<p><span class="zt-ls"><b>渚�6</b></span>銆�鍒ゆ柇涓嬪垪鍑芥暟鏄笉鏄鍑芥暟.</p>
- <p>锛�1锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>3</sup>+<i>x</i>锛涳紙2锛� <math display="0">
+ <p class="p-btn" >
+ <span>锛�1锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>3</sup>+<i>x</i>锛�</span>
+ <span class="btn-box" @click="isShowAnswer26 = !isShowAnswer26">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer26" >
+ <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛�
+ 鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>3</sup>+<i>x</i>鐨勫畾涔夊煙鏄�<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼笖
+ </p>
+ <p class="center">
+ <i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�<sup>3</sup>+锛�-<i>x</i>锛�=-<i>x</i><sup>3</sup>-<i>x</i>=-锛�<i>x</i><sup>3</sup>+<i>x</i>锛�=-<i>f</i>锛�<i>x</i>锛�.
+ </p>
+ <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>3</sup>+<i>x</i>鏄鍑芥暟.</p>
+ </div>
+ <p class="p-btn" >
+ <span>
+ 锛�2锛� <math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
+ <mi>x</mi>
+ <mo>+</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ </math>锛�
+ </span>
+ <span class="btn-box" @click="isShowAnswer27 = !isShowAnswer27">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer27" >
+ <p>
+ <span class="zt-ls"><b>瑙�</b></span>锛�2锛�
+ 瑕佷娇鍑芥暟<i>f</i>锛�<i>x</i>锛夋湁鎰忎箟锛屽繀椤绘弧瓒�<i>x</i>鈮�0锛屾墍浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<i>D</i>={<i>x</i>|<i>x</i>鈮�0}锛屽浠绘剰<i>x</i>鈭�<i>D</i>锛岄兘鏈�-<i>x</i>鈭�<i>D</i>锛屼笖
+ </p>
+ <math display="block">
<mi>f</mi>
<mrow data-mjx-texclass="INNER">
<mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mi>x</mi>
- <mo>+</mo>
- <mfrac>
- <mn>1</mn>
- <mi>x</mi>
- </mfrac>
- </math>锛涳紙3锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i>+|<i>x</i>|.</p>
- <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛�
- 鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>3</sup>+<i>x</i>鐨勫畾涔夊煙鏄�<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼笖
- </p>
- <p class="center">
- <i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�<sup>3</sup>+锛�-<i>x</i>锛�=-<i>x</i><sup>3</sup>-<i>x</i>=-锛�<i>x</i><sup>3</sup>+<i>x</i>锛�=-<i>f</i>锛�<i>x</i>锛�.
- </p>
- <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>3</sup>+<i>x</i>鏄鍑芥暟.</p>
- <p>锛�2锛�
- 瑕佷娇鍑芥暟<i>f</i>锛�<i>x</i>锛夋湁鎰忎箟锛屽繀椤绘弧瓒�<i>x</i>鈮�0锛屾墍浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<i>D</i>={<i>x</i>|<i>x</i>鈮�0}锛屽浠绘剰<i>x</i>鈭�<i>D</i>锛岄兘鏈�-<i>x</i>鈭�<i>D</i>锛屼笖
- </p>
- <math display="block">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mo>鈭�</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mi>x</mi>
- <mo>+</mo>
- <mfrac>
- <mn>1</mn>
- <mrow>
<mo>鈭�</mo>
<mi>x</mi>
- </mrow>
- </mfrac>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo>+</mo>
- <mfrac>
- <mn>1</mn>
- <mi>x</mi>
- </mfrac>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>.</mo>
- </math>
- <p>鎵�浠ワ紝鍑芥暟<math display="0">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
<mo data-mjx-texclass="CLOSE">)</mo>
</mrow>
<mo>=</mo>
@@ -1695,10 +1999,68 @@
<mo>+</mo>
<mfrac>
<mn>1</mn>
- <mi>x</mi>
+ <mrow>
+ <mo>鈭�</mo>
+ <mi>x</mi>
+ </mrow>
</mfrac>
- </math>鏄鍑芥暟.</p>
- <p>锛�3锛� 鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+|<i>x</i>|鐨勫畾涔夊煙鏄�<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼絾鏄�</p>
+ <mo>=</mo>
+ <mo>鈭�</mo>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo>+</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
+ <mo>鈭�</mo>
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>.</mo>
+ </math>
+ <p>鎵�浠ワ紝鍑芥暟<math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
+ <mo>鈭�</mo>
+ <mi>x</mi>
+ <mo>+</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ </math>鏄鍑芥暟.
+ </p>
+ </div>
+ <p class="p-btn" >
+ <span>锛�3锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i>+|<i>x</i>|.</span>
+ <span class="btn-box" @click="isShowAnswer28 = !isShowAnswer28">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer28" >
+ <p > <span class="zt-ls"><b>瑙�</b></span>锛�3锛� 鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+|<i>x</i>|鐨勫畾涔夊煙鏄�<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼絾鏄�</p>
+ <p class="center">
+ <i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�+|-<i>x</i>|=-<i>x</i>+|<i>x</i>|=-锛�<i>x</i>-|<i>x</i>|锛夆墵-<i>f</i>锛�<i>x</i>锛�.
+ </p>
+ <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+|<i>x</i>|涓嶆槸濂囧嚱鏁�.</p>
+ </div>
</div>
</div>
</div>
@@ -1711,10 +2073,6 @@
<li>涓婂唽</li>
</ul>
<div class="padding-116">
- <p class="center">
- <i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�+|-<i>x</i>|=-<i>x</i>+|<i>x</i>|=-锛�<i>x</i>-|<i>x</i>|锛夆墵-<i>f</i>锛�<i>x</i>锛�.
- </p>
- <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i>+|<i>x</i>|涓嶆槸濂囧嚱鏁�.</p>
<div class="bk-hzjl">
<div class="bj1-hzjl">
<p class="left">
@@ -1726,133 +2084,188 @@
</div>
<p>濡傛灉涓�涓嚱鏁版槸濂囧嚱鏁版垨鍋跺嚱鏁帮紝閭ｄ箞灏辩О杩欎釜鍑芥暟鍏锋湁<b>濂囧伓鎬�</b>.鍚﹀垯锛屽嚱鏁颁笉鍏锋湁濂囧伓鎬�.</p>
<p><span class="zt-ls"><b>渚�7</b></span>銆�鍒ゆ柇涓嬪垪鍑芥暟鐨勫鍋舵��.</p>
- <p>锛�1锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>4</sup>锛涳紙2锛� <math display="0">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mi>x</mi>
- <mo>鈭�</mo>
- <mfrac>
- <mn>1</mn>
- <mi>x</mi>
- </mfrac>
- </math>锛�</p>
- <p>锛�3锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>2</sup>+<i>x</i>锛涳紙4锛�<math display="0">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mfrac>
- <mn>1</mn>
- <mrow>
- <mi>x</mi>
- <mo>鈭�</mo>
- <mn>1</mn>
- </mrow>
- </mfrac>
- </math>.</p>
- <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛�
- <i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼笖
+ <p class="p-btn" >
+ <span>锛�1锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>4</sup>锛�</span>
+ <span class="btn-box" @click="isShowAnswer29 = !isShowAnswer29">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
</p>
- <p class="center"><i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�<sup>4</sup>=<i>x</i><sup>4</sup>=<i>f</i>锛�<i>x</i>锛夛紝</p>
- <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>4</sup>鏄伓鍑芥暟.</p>
- <p>锛�2锛�
- 瑕佷娇鍑芥暟<i>f</i>锛�<i>x</i>锛夋湁鎰忎箟锛屽繀椤绘弧瓒�<i>x</i>鈮�0锛屾墍浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<i>D</i>={<i>x</i>|<i>x</i>鈮�0}锛屽浠绘剰<i>x</i>鈭�<i>D</i>锛岄兘鏈�-<i>x</i>鈭�<i>D</i>锛�
- 涓�</p>
- <math display="block">
- <mi>f</mi>
- <mo stretchy="false">(</mo>
- <mo>鈭�</mo>
- <mi>x</mi>
- <mo stretchy="false">)</mo>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mi>x</mi>
- <mo>鈭�</mo>
- <mfrac>
- <mn>1</mn>
- <mrow>
+ <div v-if="isShowAnswer29" >
+ <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛�
+ <i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼笖
+ </p>
+ <p class="center"><i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�<sup>4</sup>=<i>x</i><sup>4</sup>=<i>f</i>锛�<i>x</i>锛夛紝</p>
+ <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>4</sup>鏄伓鍑芥暟.</p>
+ </div>
+ <p class="p-btn">
+ <span>
+ 锛�2锛� <math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
<mo>鈭�</mo>
<mi>x</mi>
- </mrow>
- </mfrac>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mi>x</mi>
- <mo>+</mo>
- <mfrac>
- <mn>1</mn>
+ <mo>鈭�</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ </math>锛�
+ </span>
+ <span class="btn-box" @click="isShowAnswer30 = !isShowAnswer30">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer30" >
+ <p>
+ <span class="zt-ls"><b>瑙�</b></span>锛�2锛�
+ 瑕佷娇鍑芥暟<i>f</i>锛�<i>x</i>锛夋湁鎰忎箟锛屽繀椤绘弧瓒�<i>x</i>鈮�0锛屾墍浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<i>D</i>={<i>x</i>|<i>x</i>鈮�0}锛屽浠绘剰<i>x</i>鈭�<i>D</i>锛岄兘鏈�-<i>x</i>鈭�<i>D</i>锛�
+ 涓�</p>
+ <math display="block">
+ <mi>f</mi>
+ <mo stretchy="false">(</mo>
+ <mo>鈭�</mo>
<mi>x</mi>
- </mfrac>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
+ <mo stretchy="false">)</mo>
+ <mo>=</mo>
+ <mo>鈭�</mo>
<mi>x</mi>
<mo>鈭�</mo>
- <mfrac>
- <mn>1</mn>
- <mi>x</mi>
- </mfrac>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mi>f</mi>
- <mo stretchy="false">(</mo>
- <mi>x</mi>
- <mo stretchy="false">)</mo>
- <mo>,</mo>
- </math>
- <p>鎵�浠ワ紝鍑芥暟<math display="0">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
- <mi>x</mi>
- <mo>鈭�</mo>
- <mfrac>
- <mn>1</mn>
- <mi>x</mi>
- </mfrac>
- </math>鏄鍑芥暟.</p>
- <p>锛�3锛�
- 鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>2</sup>+<i>x</i>鐨勫畾涔夊煙鏄�<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼笖
- </p>
- <p class="center"><i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�<sup>2</sup>+锛�-<i>x</i>锛�=<i>x</i><sup>2</sup>-<i>x</i>锛�</p>
- <p>浣嗐��<i>f</i>锛�-<i>x</i>锛夆墵<i>f</i>锛�<i>x</i>锛夛紝涓�<i>f</i>锛�-<i>x</i>锛夆墵-<i>f</i>锛�<i>x</i>锛夛紝</p>
- <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>2</sup>+<i>x</i>鏃笉鏄鍑芥暟锛屼篃涓嶆槸鍋跺嚱鏁�.</p>
- <p>锛�4锛�
- 瑕佷娇鍑芥暟<i>f</i>锛�<i>x</i>锛夋湁鎰忎箟锛屽繀椤绘弧瓒�<i>x</i>-1鈮�0锛屾墍浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<i>D</i>={<i>x</i>|<i>x</i>鈮�1}锛屽浠绘剰<i>x</i>鈭�<i>D</i>锛屼笉閮芥湁-<i>x</i>鈭�<i>D</i>鎴愮珛.
- </p>
- <p>鎵�浠ワ紝鍑芥暟<math display="0">
- <mi>f</mi>
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">(</mo>
- <mi>x</mi>
- <mo data-mjx-texclass="CLOSE">)</mo>
- </mrow>
- <mo>=</mo>
<mfrac>
<mn>1</mn>
<mrow>
- <mi>x</mi>
<mo>鈭�</mo>
- <mn>1</mn>
+ <mi>x</mi>
</mrow>
</mfrac>
- </math>涓嶅叿鏈夊鍋舵�э紝瀹冩棦涓嶆槸濂囧嚱鏁颁篃涓嶆槸鍋跺嚱鏁�.</p>
+ <mo>=</mo>
+ <mo>鈭�</mo>
+ <mi>x</mi>
+ <mo>+</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ <mo>=</mo>
+ <mo>鈭�</mo>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo>鈭�</mo>
+ <mfrac>
+ <mn>1</mn>
+ <mi>x</mi>
+ </mfrac>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
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+ <mo>鈭�</mo>
+ <mi>f</mi>
+ <mo stretchy="false">(</mo>
+ <mi>x</mi>
+ <mo stretchy="false">)</mo>
+ <mo>,</mo>
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+ <p>鎵�浠ワ紝鍑芥暟<math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
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+ <mo>鈭�</mo>
+ <mfrac>
+ <mn>1</mn>
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+ </math>鏄鍑芥暟.
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+ <p class="p-btn">
+ <span>
+ 锛�3锛� <i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>2</sup>+<i>x</i>锛�
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+ <div v-if="isShowAnswer31" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�3锛�
+ 鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>2</sup>+<i>x</i>鐨勫畾涔夊煙鏄�<b>R</b>锛屽浠绘剰<i>x</i>鈭�<b>R</b>锛岄兘鏈�-<i>x</i>鈭�<b>R</b>锛屼笖
+ </p>
+ <p class="center"><i>f</i>锛�-<i>x</i>锛�=锛�-<i>x</i>锛�<sup>2</sup>+锛�-<i>x</i>锛�=<i>x</i><sup>2</sup>-<i>x</i>锛�</p>
+ <p>浣嗐��<i>f</i>锛�-<i>x</i>锛夆墵<i>f</i>锛�<i>x</i>锛夛紝涓�<i>f</i>锛�-<i>x</i>锛夆墵-<i>f</i>锛�<i>x</i>锛夛紝</p>
+ <p>鎵�浠ワ紝鍑芥暟<i>f</i>锛�<i>x</i>锛�=<i>x</i><sup>2</sup>+<i>x</i>鏃笉鏄鍑芥暟锛屼篃涓嶆槸鍋跺嚱鏁�.</p>
+ </div>
+ <p class="p-btn" >
+ <span>
+ 锛�4锛�<math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
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+ <mo>=</mo>
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+ <mrow>
+ <mi>x</mi>
+ <mo>鈭�</mo>
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+ transform="translate(-3327.144 15329)" />
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+ </p>
+ <div v-if="isShowAnswer32" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�4锛�
+ 瑕佷娇鍑芥暟<i>f</i>锛�<i>x</i>锛夋湁鎰忎箟锛屽繀椤绘弧瓒�<i>x</i>-1鈮�0锛屾墍浠ュ嚱鏁�<i>f</i>锛�<i>x</i>锛夌殑瀹氫箟鍩熸槸<i>D</i>={<i>x</i>|<i>x</i>鈮�1}锛屽浠绘剰<i>x</i>鈭�<i>D</i>锛屼笉閮芥湁-<i>x</i>鈭�<i>D</i>鎴愮珛.
+ </p>
+ <p>鎵�浠ワ紝鍑芥暟<math display="0">
+ <mi>f</mi>
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">(</mo>
+ <mi>x</mi>
+ <mo data-mjx-texclass="CLOSE">)</mo>
+ </mrow>
+ <mo>=</mo>
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+ <mrow>
+ <mi>x</mi>
+ <mo>鈭�</mo>
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+ </math>涓嶅叿鏈夊鍋舵�э紝瀹冩棦涓嶆槸濂囧嚱鏁颁篃涓嶆槸鍋跺嚱鏁�.
+ </p>
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<li>涓婂唽</li>
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- km/h鐨勯�熷害杩斿洖A鍩�.鍦ㄤ笉鑰冭檻鍫佃溅绛夊叾浠栧洜绱犵殑鎯呭喌涓嬶紝璁惧皬鏉庝粠A鍩庡嚭鍙�<i>x</i>锛坔锛夊悗锛屽皬鏉庝笌A鍩庣殑璺濈鏄�<i>y</i>锛坘m锛�.</p>
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- <p>锛�2锛� 鐢诲嚭鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑鍥惧儚锛�</p>
- <p>锛�3锛� 灏忔潕鍦ㄨ繑鍥濧鍩庨�斾腑锛�15锛�00鍒氬ソ鎺ュ埌瀹朵汉鐨勭數璇濓紝杩欐椂浠栬窛绂籄鍩庡灏戝崈绫筹紵</p>
- <p class="block"><span
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+ <p>
+ <span>
+ <span class="zt-ls">
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<p class="img">鍥�3-25</p>
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+ <div v-if="isShowAnswer36" >
+ <p><span class="zt-ls"><b>瑙�</b></span> 鍥犱负姣忎慨绛戦暱搴�1 m鐨勬柊澧欓渶瑕佺爾200鍧楋紝鎵�浠�6 000鍧楃爾鍙互淇瓚鏂板鐨勬�婚暱搴︽槸6
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+ <p>浜庢槸<i>y</i>=锛�30-3<i>x</i>锛�<i>x</i>锛岃鏈夊疄闄呮剰涔夛紝蹇呴』婊¤冻<math display="0">
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">{</mo>
+ <mtable columnspacing="1em" rowspacing="4pt">
+ <mtr>
+ <mtd>
+ <mi>x</mi>
+ <mo>锛�</mo>
+ <mn>0</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mn>30</mn>
+ <mo>鈭�</mo>
+ <mn>3</mn>
+ <mi>x</mi>
+ <mo>锛�</mo>
+ <mn>0</mn>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ </mtable>
+ <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
+ </mrow>
+ </math>.</p>
+ <p>鎵�浠ワ紝<i>y</i>涓�<i>x</i>鐨勫嚱鏁板叧绯绘槸<i>y</i>=-3<i>x</i><sup>2</sup>+30<i>x</i>锛�0锛�<i>x</i>锛�10.</p>
+ <p>鏁寸悊寰�<i>y</i>=-3锛�<i>x</i>-5锛�<sup>2</sup>+75.</p>
+ <p>鎵�浠ワ紝褰�<i>x</i>=5鏃讹紝<i>y</i>鍊兼渶澶э紝鏈�澶у�间负75.</p>
+ <p>鍗冲綋<i>AB</i>涓�5 m鏃讹紝涓夐棿楗插吇瀹ょ殑鎬婚潰绉渶澶э紝鏈�澶ч潰绉槸75 m<sup>2</sup>.</p>
+ <p>鍦ㄥ疄闄呯敓娲讳腑锛屽緢澶氫笌浜屾鍑芥暟鏈夊叧鐨勬渶鍊奸棶棰橀兘鍙�氳繃鍒嗘瀽銆佺爺绌跺悗锛屽缓绔嬬浉搴斾簩娆″嚱鏁扮殑鏁板妯″瀷锛屽苟杩愮敤浜屾鍑芥暟鐨勫浘鍍忔�ц川姹傛渶鍊�.</p>
+ </div>
+ <p class="p-btn" >
+ <span>
+ <span class="zt-ls"><b>渚�3</b></span>銆�鏌愭壒鍙戝晢璐叆涓�鎵�30鍏�/kg鐨勭豢鑹查鍝侊紝鑻ヤ互40鍏�/kg閿�鍞紝鍒欐瘡鏈堝彲鎵瑰彂閿�鍞�400
+ kg.鐢辨壒鍙戦攢鍞粡楠岀煡閬擄紝姣忔湀閿�鍞噺<i>y</i>锛坘g
+ 锛夋槸閿�鍞崟浠�<i>x</i>锛堝厓锛夌殑涓�娆″嚱鏁帮紝鍏跺浘鍍忓鍥�3-26鎵�绀�.
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- <p><span class="zt-ls"><b>瑙�</b></span> 鍥犱负姣忎慨绛戦暱搴�1 m鐨勬柊澧欓渶瑕佺爾200鍧楋紝鎵�浠�6 000鍧楃爾鍙互淇瓚鏂板鐨勬�婚暱搴︽槸6
- 000梅200=30锛坢锛�.璁�<i>AB</i>涓�<i>x</i>锛坢锛夛紝鍒�<i>BC</i>涓猴紙30-3<i>x</i>锛夛紙m锛夛紝涓夐棿楗插吇瀹ょ殑鎬婚潰绉负<i>y</i>锛坢<sup>2</sup>锛�.</p>
- <p>浜庢槸<i>y</i>=锛�30-3<i>x</i>锛�<i>x</i>锛岃鏈夊疄闄呮剰涔夛紝蹇呴』婊¤冻<math display="0">
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">{</mo>
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- <mtr>
- <mtd>
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- <mo>锛�</mo>
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- </math>.</p>
- <p>鎵�浠ワ紝<i>y</i>涓�<i>x</i>鐨勫嚱鏁板叧绯绘槸<i>y</i>=-3<i>x</i><sup>2</sup>+30<i>x</i>锛�0锛�<i>x</i>锛�10.</p>
- <p>鏁寸悊寰�<i>y</i>=-3锛�<i>x</i>-5锛�<sup>2</sup>+75.</p>
- <p>鎵�浠ワ紝褰�<i>x</i>=5鏃讹紝<i>y</i>鍊兼渶澶э紝鏈�澶у�间负75.</p>
- <p>鍗冲綋<i>AB</i>涓�5 m鏃讹紝涓夐棿楗插吇瀹ょ殑鎬婚潰绉渶澶э紝鏈�澶ч潰绉槸75 m<sup>2</sup>.</p>
- <p>鍦ㄥ疄闄呯敓娲讳腑锛屽緢澶氫笌浜屾鍑芥暟鏈夊叧鐨勬渶鍊奸棶棰橀兘鍙�氳繃鍒嗘瀽銆佺爺绌跺悗锛屽缓绔嬬浉搴斾簩娆″嚱鏁扮殑鏁板妯″瀷锛屽苟杩愮敤浜屾鍑芥暟鐨勫浘鍍忔�ц川姹傛渶鍊�.</p>
- <p><span class="zt-ls"><b>渚�3</b></span>銆�鏌愭壒鍙戝晢璐叆涓�鎵�30鍏�/kg鐨勭豢鑹查鍝侊紝鑻ヤ互40鍏�/kg閿�鍞紝鍒欐瘡鏈堝彲鎵瑰彂閿�鍞�400
- kg.鐢辨壒鍙戦攢鍞粡楠岀煡閬擄紝姣忔湀閿�鍞噺<i>y</i>锛坘g
- 锛夋槸閿�鍞崟浠�<i>x</i>锛堝厓锛夌殑涓�娆″嚱鏁帮紝鍏跺浘鍍忓鍥�3-26鎵�绀�.</p>
<p class="center"><img class="img-c" alt="" src="../../assets/images/0112-3.jpg" /></p>
<p class="img"> 鍥�3-26</p>
- <p>锛�1锛� 鐢ㄨВ鏋愭硶琛ㄧず鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夛紱</p>
- <p>锛�2锛� 璇ユ壒鍙戝晢涓嶄綆浜庤喘鍏ヤ环杩涜閿�鍞紝璁捐鎵瑰彂鍟嗘瘡鏈堥攢鍞繖鎵圭豢鑹查鍝佸彲鑾峰緱鍒╂鼎涓�<i>w</i>鍏冿紝鐢ㄨВ鏋愭硶琛ㄧず鍑芥暟<i>w</i>=<i>g</i>锛�<i>x</i>锛夛紱</p>
- <p>锛�3锛� 褰撻攢鍞崟浠蜂负澶氬皯鏃讹紝璇ユ壒鍙戝晢姣忔湀鍙幏寰楁渶澶у埄娑︼紵鏈�澶у埄娑︽槸澶氬皯锛�</p>
+ <p class="p-btn">
+ <span>锛�1锛� 鐢ㄨВ鏋愭硶琛ㄧず鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夛紱</span>
+ <span class="btn-box" @click="isShowAnswer38 = !isShowAnswer38">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
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+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer38" >
+ <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 璁惧嚱鏁�<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑瑙ｆ瀽寮忔槸<i>y</i>=<i>kx</i>+<i>b</i>锛屽垯</p>
+ <p><math display="0">
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">{</mo>
+ <mtable columnspacing="1em" rowspacing="4pt">
+ <mtr>
+ <mtd>
+ <mn>40</mn>
+ <mi>k</mi>
+ <mo>+</mo>
+ <mi>b</mi>
+ <mo>=</mo>
+ <mn>400</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mn>50</mn>
+ <mi>k</mi>
+ <mo>+</mo>
+ <mi>b</mi>
+ <mo>=</mo>
+ <mn>200</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ </mtable>
+ <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
+ </mrow>
+ </math>锛岃В寰�<math display="0">
+ <mrow data-mjx-texclass="INNER">
+ <mo data-mjx-texclass="OPEN">{</mo>
+ <mtable columnspacing="1em" rowspacing="4pt">
+ <mtr>
+ <mtd>
+ <mi>k</mi>
+ <mo>=</mo>
+ <mo>鈭�</mo>
+ <mn>20</mn>
+ <mo>锛�</mo>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ <mtr>
+ <mtd>
+ <mi>b</mi>
+ <mo>=</mo>
+ <mn>1200.</mn>
+ </mtd>
+ <mtd></mtd>
+ </mtr>
+ </mtable>
+ <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
+ </mrow>
+ </math></p>
+ <p>鍗�<i>y</i>=-20<i>x</i>+1 200.</p>
+ <p>鏍规嵁棰樻剰锛屽綋30鈮�<i>x</i>鈮�60鏃讹紝鍑芥暟<i>y</i>=-20<i>x</i>+1 200鎵嶆湁瀹為檯鎰忎箟.</p>
+ <p>鎵�浠ワ紝鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑瑙ｆ瀽寮忓彲琛ㄧず涓�</p>
+ <p class="center"><i>y</i>=-20<i>x</i>+1 200锛�30鈮�<i>x</i>鈮�60.</p>
+ </div>
+ <p class="p-btn">
+ <span>
+ 锛�2锛� 璇ユ壒鍙戝晢涓嶄綆浜庤喘鍏ヤ环杩涜閿�鍞紝璁捐鎵瑰彂鍟嗘瘡鏈堥攢鍞繖鎵圭豢鑹查鍝佸彲鑾峰緱鍒╂鼎涓�<i>w</i>鍏冿紝鐢ㄨВ鏋愭硶琛ㄧず鍑芥暟<i>w</i>=<i>g</i>锛�<i>x</i>锛夛紱
+ </span>
+ <span class="btn-box" @click="isShowAnswer39 = !isShowAnswer39">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer39" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�2锛� 鐢遍鎰忓緱锛�<i>w</i>=锛�<i>x</i>-30锛�<i>y</i></p>
+ <p>銆�銆�銆�銆�銆�銆�銆�銆�=锛�<i>x</i>-30锛夛紙-20<i>x</i>+1 200锛�</p>
+ <p>銆�銆�銆�銆�銆�銆�銆�銆�=-20<i>x</i><sup>2</sup>+1 800<i>x</i>-36 000锛�</p>
+ <p>鎵�浠ワ紝鍑芥暟<i>w</i>=<i>g</i>锛�<i>x</i>锛夌殑瑙ｆ瀽寮忓彲琛ㄧず涓�</p>
+ <p class="center"><i>w</i>=-20<i>x</i><sup>2</sup>+1 800<i>x</i>-36 000锛�30鈮�<i>x</i>鈮�60.</p>
+ </div>
+ <p class="p-btn">
+ <span>
+ 锛�3锛� 褰撻攢鍞崟浠蜂负澶氬皯鏃讹紝璇ユ壒鍙戝晢姣忔湀鍙幏寰楁渶澶у埄娑︼紵鏈�澶у埄娑︽槸澶氬皯锛�
+ </span>
+ <span class="btn-box" @click="isShowAnswer40 = !isShowAnswer40">
+ <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501">
+ <path class="a"
+ d="M3344.717-15308.5H3337.4a10.186,10.186,0,0,1-7.25-3,10.185,10.185,0,0,1-3-7.25A10.262,10.262,0,0,1,3337.4-15329a10.26,10.26,0,0,1,10.249,10.248,10.129,10.129,0,0,1-2.2,6.341v3.177A.734.734,0,0,1,3344.717-15308.5Zm-9.606-7.29h4.493l.527,1.419c.071.182.156.386.254.608a2.428,2.428,0,0,0,.273.512.986.986,0,0,0,.315.262.971.971,0,0,0,.454.1,1.05,1.05,0,0,0,.773-.327,1.025,1.025,0,0,0,.319-.723,3.3,3.3,0,0,0-.277-1.051l-.062-.161-2.889-7.313c-.119-.321-.228-.607-.335-.873a2.972,2.972,0,0,0-.323-.616,1.56,1.56,0,0,0-.5-.469,1.552,1.552,0,0,0-.781-.181,1.535,1.535,0,0,0-.773.181,1.475,1.475,0,0,0-.5.477,3.674,3.674,0,0,0-.362.739l-.239.627-.054.135-2.824,7.355c-.095.229-.179.46-.25.688a1.529,1.529,0,0,0-.073.477.978.978,0,0,0,.323.72,1.039,1.039,0,0,0,.746.315.838.838,0,0,0,.716-.3,4.676,4.676,0,0,0,.466-.985l.062-.165.527-1.449Zm3.747-1.5h-3.293l1.812-5.124,1.481,5.123Z"
+ transform="translate(-3327.144 15329)" />
+ </svg>
+ </span>
+ </p>
+ <div v-if="isShowAnswer40" >
+ <p> <span class="zt-ls"><b>瑙�</b></span>锛�3锛� 鐢憋紙2锛� 鐭ワ紝<i>w</i>=-20<i>x</i><sup>2</sup>+1 800<i>x</i>-36 000锛�30鈮�<i>x</i>鈮�60锛岄厤鏂瑰緱</p>
+ <p class="center"><i>w</i>=-20锛�<i>x</i>-45锛�<sup>2</sup>+4 500.</p>
+ <p>鎵�浠ワ紝褰�<i>x</i>=45鏃讹紝<i>w</i>鐨勫�兼渶澶э紝鏈�澶у�兼槸4 500.</p>
+ <p>绛旓細褰撻攢鍞崟浠蜂负45鍏冩椂锛岃鎵瑰彂鍟嗘瘡鏈堝彲鑾峰緱鏈�澶у埄娑︼紝鏈�澶у埄娑︽槸4 500鍏�.</p>
+ </div>
</div>
</div>
</div>
@@ -2093,80 +2688,6 @@
<li>涓婂唽</li>
</ul>
<div class="padding-116">
- <p class="block"><span
- class="zt-ls2"><b>鍒嗘瀽</b></span>銆�鍏堢敱鍥惧儚姹傚嚭涓�娆″嚱鏁扮殑瑙ｆ瀽寮忥紝鍐嶆牴鎹瘡鏈堟墍鑾峰埄娑�=锛堥攢鍞崟浠�-杩涗环锛壝楁瘡鏈堥攢鍞噺锛屽垪鍑烘瘡鏈堟墍鑾峰埄娑�<i>w</i>涓庨攢鍞崟浠�<i>x</i>鐨勫嚱鏁板叧绯�.
- </p>
- <p><span class="zt-ls"><b>瑙�</b></span>锛�1锛� 璁惧嚱鏁�<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑瑙ｆ瀽寮忔槸<i>y</i>=<i>kx</i>+<i>b</i>锛屽垯</p>
- <p><math display="0">
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">{</mo>
- <mtable columnspacing="1em" rowspacing="4pt">
- <mtr>
- <mtd>
- <mn>40</mn>
- <mi>k</mi>
- <mo>+</mo>
- <mi>b</mi>
- <mo>=</mo>
- <mn>400</mn>
- <mo>锛�</mo>
- </mtd>
- <mtd></mtd>
- </mtr>
- <mtr>
- <mtd>
- <mn>50</mn>
- <mi>k</mi>
- <mo>+</mo>
- <mi>b</mi>
- <mo>=</mo>
- <mn>200</mn>
- <mo>锛�</mo>
- </mtd>
- <mtd></mtd>
- </mtr>
- </mtable>
- <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
- </mrow>
- </math>锛岃В寰�<math display="0">
- <mrow data-mjx-texclass="INNER">
- <mo data-mjx-texclass="OPEN">{</mo>
- <mtable columnspacing="1em" rowspacing="4pt">
- <mtr>
- <mtd>
- <mi>k</mi>
- <mo>=</mo>
- <mo>鈭�</mo>
- <mn>20</mn>
- <mo>锛�</mo>
- </mtd>
- <mtd></mtd>
- </mtr>
- <mtr>
- <mtd>
- <mi>b</mi>
- <mo>=</mo>
- <mn>1200.</mn>
- </mtd>
- <mtd></mtd>
- </mtr>
- </mtable>
- <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo>
- </mrow>
- </math></p>
- <p>鍗�<i>y</i>=-20<i>x</i>+1 200.</p>
- <p>鏍规嵁棰樻剰锛屽綋30鈮�<i>x</i>鈮�60鏃讹紝鍑芥暟<i>y</i>=-20<i>x</i>+1 200鎵嶆湁瀹為檯鎰忎箟.</p>
- <p>鎵�浠ワ紝鍑芥暟<i>y</i>=<i>f</i>锛�<i>x</i>锛夌殑瑙ｆ瀽寮忓彲琛ㄧず涓�</p>
- <p class="center"><i>y</i>=-20<i>x</i>+1 200锛�30鈮�<i>x</i>鈮�60.</p>
- <p>锛�2锛� 鐢遍鎰忓緱锛�<i>w</i>=锛�<i>x</i>-30锛�<i>y</i></p>
- <p>銆�銆�銆�銆�銆�銆�銆�銆�=锛�<i>x</i>-30锛夛紙-20<i>x</i>+1 200锛�</p>
- <p>銆�銆�銆�銆�銆�銆�銆�銆�=-20<i>x</i><sup>2</sup>+1 800<i>x</i>-36 000锛�</p>
- <p>鎵�浠ワ紝鍑芥暟<i>w</i>=<i>g</i>锛�<i>x</i>锛夌殑瑙ｆ瀽寮忓彲琛ㄧず涓�</p>
- <p class="center"><i>w</i>=-20<i>x</i><sup>2</sup>+1 800<i>x</i>-36 000锛�30鈮�<i>x</i>鈮�60.</p>
- <p>锛�3锛� 鐢憋紙2锛� 鐭ワ紝<i>w</i>=-20<i>x</i><sup>2</sup>+1 800<i>x</i>-36 000锛�30鈮�<i>x</i>鈮�60锛岄厤鏂瑰緱</p>
- <p class="center"><i>w</i>=-20锛�<i>x</i>-45锛�<sup>2</sup>+4 500.</p>
- <p>鎵�浠ワ紝褰�<i>x</i>=45鏃讹紝<i>w</i>鐨勫�兼渶澶э紝鏈�澶у�兼槸4 500.</p>
- <p>绛旓細褰撻攢鍞崟浠蜂负45鍏冩椂锛岃鎵瑰彂鍟嗘瘡鏈堝彲鑾峰緱鏈�澶у埄娑︼紝鏈�澶у埄娑︽槸4 500鍏�.</p>
<p class="left"><img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /></p>
<div class="bj">
<examinations :cardList="questionData[110]" :hideCollect="true" sourceType="json"
@@ -2308,7 +2829,7 @@
<!-- 112 -->
<div class="page-box hidePage" page="119">
</div>
- <!-- 鍑芥暟鎺т欢寮圭獥 -->
+ <!-- 鍑芥暟鎺т欢寮圭獥 -->
<el-dialog :visible.sync="dialogVisible" width="60%" :append-to-body="true" :show-close="false">
<div slot="title" style="padding: 0 0 15px 0;position: relative;">
<svg style="position: absolute; right:10px;cursor: pointer;" @click="dialogVisible = false" t="1718596022986"
@@ -2325,9 +2846,11 @@
<iframe src="https://www.geogebra.org/calculator" frameborder="0" style="width: 100%; min-height: 800px"></iframe>
</el-dialog>
<!-- 瑙ｉ鎬濊矾寮圭獥 -->
- <el-dialog :visible.sync="thinkingDialog" width="40%" :append-to-body="true" :show-close="false">
- <div slot="title" style="padding: 0; text-align: center; color: #333;display:flex;justify-content: center;">
- <span style=""> 瑙ｉ鎬濊矾 </span>
+ <el-dialog :visible.sync="thinkingDialog" width="40%" :append-to-body="true" :show-close="false"
+ @close="closeDialog" class="thinkDialog">
+ <div slot="title" class="think-header"
+ style="padding: 0; text-align: center; color: #333;display:flex;justify-content: center;">
+ <span style=""> 鍒嗘瀽 </span>
<svg style="position: absolute; right:10px;cursor: pointer;" @click="thinkingDialog = false" t="1718596022986"
class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4252" width="20"
height="20" xmlns:xlink="http://www.w3.org/1999/xlink">
@@ -2340,8 +2863,8 @@
</svg>
</div>
<ul>
- <li v-for="(item, index) in thinkOne" :key="index">
- <div v-if="item.isShow" style="display: flex">
+ <li v-for="(item, index) in thinkData" :key="index">
+ <div v-if="index <= showIndex" style="display: flex">
<span style="position: relative">
<span style="position: absolute; top: 16px; left: 13px; color: #fff">{{ index + 1 }}</span>
<img src="../../assets/images/icon/blue-group.png" alt="" style="margin-right: 10px"
@@ -2349,67 +2872,17 @@
<img src="../../assets/images/icon/blue.png" alt="" v-if="index == thinkOne.length - 1"
style="margin-right: 10px" />
</span>
- <p class="txt-p">{{ item.txt }}</p>
+ <p class="txt-p" v-html="item"></p>
</div>
</li>
</ul>
- <div @click="showNext(thinkIndex)" style="
+ <div @click="changeNext" style="
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
">
- <img src="../../assets/images/icon/mouse.png" alt="" v-if="thinkIndex != 3" />
- <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" t="1710234570135"
- class="icon" viewBox="0 0 1024 1024" version="1.1" p-id="5067" width="15" height="15">
- <path
- d="M2.257993 493.371555 415.470783 906.584344 512 1003.113561 608.529217 906.584344 1021.742007 493.371555 925.212789 396.842337 512 810.055127 98.787211 396.842337Z"
- fill="#1296db" p-id="5068" />
- <path
- d="M2.257993 117.980154 415.470783 531.192944 512 627.722161 608.529217 531.192944 1021.742007 117.980154 925.212789 21.450937 512 434.663727 98.787211 21.450937Z"
- fill="#1296db" p-id="5069" />
- </svg>
- </div>
- </el-dialog>
- <!-- 瑙ｉ姝ラ寮圭獥 -->
- <el-dialog class="stepDialog" title="瑙ｉ姝ラ" :visible.sync="stepDialog" width="40%" :append-to-body="true"
- :show-close="false">
- <div slot="title" style="padding: 0; text-align: center; color: #333;display:flex;justify-content: center;">
- <span>
- 瑙ｉ姝ラ
- </span>
- <svg style="position: absolute; right:10px;cursor: pointer;" @click="stepDialog = false" t="1718596022986"
- class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4252" width="20"
- height="20" xmlns:xlink="http://www.w3.org/1999/xlink">
- <path
- d="M176.661601 817.172881C168.472798 825.644055 168.701706 839.149636 177.172881 847.338438 185.644056 855.527241 199.149636 855.298332 207.338438 846.827157L826.005105 206.827157C834.193907 198.355983 833.964998 184.850403 825.493824 176.661601 817.02265 168.472798 803.517069 168.701706 795.328267 177.172881L176.661601 817.172881Z"
- fill="#979797" p-id="4253"></path>
- <path
- d="M795.328267 846.827157C803.517069 855.298332 817.02265 855.527241 825.493824 847.338438 833.964998 839.149636 834.193907 825.644055 826.005105 817.172881L207.338438 177.172881C199.149636 168.701706 185.644056 168.472798 177.172881 176.661601 168.701706 184.850403 168.472798 198.355983 176.661601 206.827157L795.328267 846.827157Z"
- fill="#979797" p-id="4254"></path>
- </svg>
- </div>
- <ul>
- <li v-for="(item, index) in stepOne" :key="index">
- <div v-if="item.isShow" style="display: flex">
- <span style="position: relative">
- <span style="position: absolute; top: 16px; left: 13px; color: #fff">{{ index + 1 }}</span>
- <img src="../../assets/images/icon/blue-group.png" alt="" style="margin-right: 10px"
- v-if="index < stepOne.length - 1" />
- <img src="../../assets/images/icon/blue.png" alt="" v-if="index == stepOne.length - 1"
- style="margin-right: 10px" />
- </span>
- <p class="txt-p">{{ item.txt }}</p>
- </div>
- </li>
- </ul>
- <div @click="showNextChange(stepIndex)" style="
- display: flex;
- flex-direction: column;
- align-items: center;
- justify-content: center;
- ">
- <img src="../../assets/images/icon/mouse.png" alt="" v-if="stepIndex != 2" />
+ <img src="../../assets/images/icon/mouse.png" alt="" v-if="showIndex < thinkData.length - 1" />
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" t="1710234570135"
class="icon" viewBox="0 0 1024 1024" version="1.1" p-id="5067" width="15" height="15">
<path
@@ -2429,6 +2902,14 @@
import examinations from '@/components/examinations/index.vue'
import { getResourcePath } from "@/assets/methods/resources";
import { getCollectResource, setCollectResource } from "@/assets/methods/resources";
+const handleShow = (num) => {
+ const obj = {}
+ for (let index = 0; index < num; index++) {
+ obj['isShowAnswer' + index] = false
+ }
+ return obj
+}
+const showObj = handleShow(50)
export default {
name: '',
props: {
@@ -2443,6 +2924,7 @@
components: {examinations,paint},
data() {
return {
+ ...showObj,
collectImg: require("../../assets/images/icon/heart.png"),
collectCheck: require("../../assets/images/icon/heart-check.png"),
isShowExampleOne: false,
@@ -2452,7 +2934,6 @@
isShowExampleFive: false,
dialogVisible: false,
thinkingDialog: false,
- stepDialog: false,
videoPath: "",
stepIndex: 1,
thinkIndex: 1,
@@ -2463,103 +2944,32 @@
txtOne: "",
txtTwo: "",
},
+ showIndex:0,
+ thinkData:[],
thinkOne: [
- {
- txt: "1:涓�涓嚱鏁版槸涓� 鏄伓鍑芥暟,鍙互鐢� 鍑芥暟鐨勫浘鍍忔槸鍚﹀叧 浜巠 杞� 瀵� 绉� 鏉� 鍒� 鏂�;褰撳嚱鏁扮敤瑙ｆ瀽 娉曡〃绀烘椂,鍙互鐢� 鍋� 鍑� 鏁� 鐨� 瀹� 涔� 鏉� 鍒ゆ柇銆� 鍋跺嚱鏁�:涓�鑸湴锛岃鍑芥暟f(x)鐨勫畾涔夊煙涓篋锛屽鏋滃浜庝换鎰弜ED锛岄兘鏈塜ED锛屼笖f(-x)=f(x)锛岄偅涔堝嚱鏁癴(x)灏卞彨浣滃伓鍑芥暟",
- isShow: true,
- },
- {
- txt: "2:璁＄畻f(-x)",
- isShow: false,
- },
- {
- txt: "3:鍒ゆ柇f(-x)鏄惁绛変簬f(x)",
- isShow: false,
- },
+ "1:涓�涓嚱鏁版槸涓� 鏄伓鍑芥暟,鍙互鐢� 鍑芥暟鐨勫浘鍍忔槸鍚﹀叧 浜巠 杞� 瀵� 绉� 鏉� 鍒� 鏂�;褰撳嚱鏁扮敤瑙ｆ瀽 娉曡〃绀烘椂,鍙互鐢� 鍋� 鍑� 鏁� 鐨� 瀹� 涔� 鏉� 鍒ゆ柇銆� 鍋跺嚱鏁�:涓�鑸湴锛岃鍑芥暟f(x)鐨勫畾涔夊煙涓篋锛屽鏋滃浜庝换鎰弜ED锛岄兘鏈塜ED锛屼笖f(-x)=f(x)锛岄偅涔堝嚱鏁癴(x)灏卞彨浣滃伓鍑芥暟",
+ "2:璁＄畻f(-x)",
+ "3:鍒ゆ柇f(-x)鏄惁绛変簬f(x)",
],
- stepOne: [
- {
- txt: "1:(1)鍑芥暟f(x)=3x2+1鐨勫畾涔夊煙鏄疪锛屽浠绘剰XER锛岄兘鏈�-XER",
- isShow: true,
- },
- {
- txt: "2:f(-x)=3(-x)2+1=3x2+1=f(x)",
- isShow: false,
- },
+ thinkTwo:[
+ '鍥犱负<i>AB</i>鐨勯暱搴︿负<i>x</i>锛坢锛夛紝<i>BC</i>鐨勯暱搴︿负锛�12-<i>x</i>锛夛紙m锛夛紝鎵�浠ュ繀椤绘弧瓒�<i>x</i>锛�0涓�12-<i>x</i>锛�0鎵嶆湁瀹為檯鎰忎箟.'
],
- dragQuestion: [
- {
- analysisCon: null,
- answer: ['A', 'B', 'C'],
- difficulty: 0,
- id: "7BC7B760",
- isCollect: false,
- isComplete: false,
- isRight: null,
- isUnfold: "",
- isUserAnswer: false,
- number: 1,
- option: [
- {
- img: "",
- index: "010311",
- txt: "鑳嗗皬鐨�",
- value: "A",
- isShow: true
- },
- {
- img: "",
- index: "010312",
- txt: "鍠勮壇鐨�",
- value: "B",
- isShow: true
- },
- {
- img: "",
- index: "010313",
- txt: "娌夌ǔ鐨�",
- value: "C",
- isShow: true
- },
- ],
- optionStyle: "Txt",
- questionType: "drag",
- score: 2,
- stem: {
- 0: "铓傝殎闃熼暱璧拌矾鏄傞鎸鸿兏銆佹浼愬潥瀹氾紝瀹冩槸涓�鍙�(",
- 1: {
- data: "span",
- num: 0
- },
- 2: ")铓傝殎;灏忚殏铓佽蛋璧疯矾鏉ュ皬蹇冪考缈硷紝鐪肩椋樺拷涓嶅畾锛屽畠鏄竴鍙�(",
- 3: {
- data: "span",
- num: 1
- },
- 4: ")铓傝殎;铓傝殎灏忓闈㈠甫寰瑧锛屾椂鍒绘効鎰忓府鍔╁ぇ瀹讹紝瀹冩槸涓�鍙�(",
- 5: {
- data: "span",
- num: 2,
- },
- 6: " )铓傝殎"
- },
- stemStyle: "RichTxt",
- type: "鎷栨嫿棰�",
- userAnswer: [
- {
- vlaue: '',
- txt: ''
- },
- {
- vlaue: '',
- txt: ''
- },
- {
- vlaue: '',
- txt: ''
- },
- ]
- },
+ thinkThree:[
+ '璁＄畻璇ュ啗鑸颁粠鍑哄彂鍦伴┒鍏ユ捣娓墍闇�瑕佺殑鏃堕棿锛屽氨鍙緱鍒板嚱鏁�<i>s</i>=<i>f</i>锛�<i>t</i>锛夌殑瀹氫箟鍩�.鐢ㄨВ鏋愭硶琛ㄧず鍑芥暟鍚庯紝鍐嶇敾鍑哄嚱鏁扮殑鍥惧儚.'
+ ],
+ thinkFour:[
+ '棣栧厛闇�鏄庣‘杩欎釜鍑芥暟鐨勫畾涔夊煙.鐢变簬灞呮皯鐢ㄧ數閲忎笉鍚岋紝鍏舵敹璐规爣鍑嗕篃涓嶅悓锛屾墍浠ヨ繖鏄垎娈靛嚱鏁�.鍏舵瑕佸帢娓呰嚜鍙橀噺<i>x</i>鍦ㄤ笉鍚岀殑鍙栧�艰寖鍥村唴涓庡洜鍙橀噺<i>y</i>涔嬮棿鐨勫搴斿叧绯伙紝骞跺垪鍑虹浉搴旂殑瑙ｆ瀽寮忔潵瑙ｅ喅鐩稿叧闂.'
+ ],
+ thinkFive:[
+ '棣栧厛姹傚嚭灏忔潕浠嶢鍩庡埌B鍩庡拰浠嶣鍩庤繑鍥濧鍩庡叡鑺辫垂鐨勬椂闂达紝鏄庣‘鍑芥暟鐨勫畾涔夊煙.灏忔潕鍘籅鍩庡拰杩斿洖A鍩庣殑杩囩▼涓紝<i>y</i>涓�<i>x</i>鍒嗗埆瀵瑰簲鐨勮В鏋愬紡涓嶇浉鍚岋紝鎵�浠ヨ鍑芥暟闇�鐢ㄥ垎娈靛嚱鏁拌〃绀�.'
+ ],
+ thinkSix:[
+ '棣栧厛闇�瑕佽绠楀鐢ㄦ潗鏂欏彲淇缓楗插吇瀹ゆ柊澧欑殑鎬婚暱锛涘洜姣忛棿楗插吇瀹ょ殑鍛ㄩ暱鏄畾鍊硷紝鎵�浠ヨ<i>AB</i>鐨勯暱涓�<i>x</i>锛坢锛夛紝灏卞彲浠ョ敤鍚�<i>x</i>鐨勪唬鏁板紡琛ㄧず<i>BC</i>鐨勯暱锛�',
+ '鍐嶇敤瑙ｆ瀽娉曡〃绀烘�婚潰绉�<i>y</i>锛坢<sup>2</sup>锛変笌<i>x</i>锛坢锛夌殑鍑芥暟鍏崇郴锛涚劧鍚庡埄鐢ㄥ嚱鏁扮殑鎬ц川鏉ヨВ鍐抽棶棰�.'
+ ],
+ thinkSeven:[
+ '鍏堢敱鍥惧儚姹傚嚭涓�娆″嚱鏁扮殑瑙ｆ瀽寮忥紝',
+ '鍐嶆牴鎹瘡鏈堟墍鑾峰埄娑�=锛堥攢鍞崟浠�-杩涗环锛壝楁瘡鏈堥攢鍞噺锛屽垪鍑烘瘡鏈堟墍鑾峰埄娑�<i>w</i>涓庨攢鍞崟浠�<i>x</i>鐨勫嚱鏁板叧绯�.'
]
};
},
@@ -2592,25 +3002,18 @@
}
this.handleChapterData();
},
- openMathDiaolog() {
+ openMathDiaolog() {
this.dialogVisible = true;
},
- openThinkingDialog() {
- this.thinkingDialog = true;
+ openDialog(queryData) {
+ this.thinkData = queryData
+ this.thinkingDialog = !this.thinkingDialog
},
- showNext(num) {
- const number = this.thinkOne.findIndex((item, index) => index == num);
- this.thinkOne[number].isShow = true;
- if (this.thinkIndex <= 2) {
- this.thinkIndex++;
- }
+ closeDialog() {
+ this.showIndex = 0
},
- showNextChange(num) {
- const number = this.stepOne.findIndex((item, index) => index == num);
- this.stepOne[number].isShow = true;
- if (this.stepIndex < 2) {
- this.stepIndex++;
- }
+ changeNext() {
+ if (this.showIndex < this.thinkData.length - 1) this.showIndex = this.showIndex + 1
},
//璧勬簮鏀惰棌浜嬩欢
handleCollectResource(id, md5, resourcePath, resourceType, source, resourceName) {
@@ -2636,14 +3039,6 @@
</script>
<style lang="less" scoped>
-
-.iframe-box {
- width: 100%;
- min-height: 800px;
- border: 1px solid #00a1e9;
- border-radius: 10px;
-}
-
li {
list-style: none;
}
--
Gitblit v1.9.1