| | |
| | | <template> |
| | | <div class="chapter" num="1"> |
| | | <div class="chapter" num="2"> |
| | | <div class="page-box" page="8"> |
| | | <div v-if="showPageList.indexOf(8) > -1"> |
| | | <h1 id="a007"> |
| | |
| | | </p> |
| | | <p>(2) 0~10中的所有奇数;</p> |
| | | <p>(3) 我国农历二十四节气;</p> |
| | | <p>(4) 方程x2-5x-6=0的解;</p> |
| | | <p>(4) 方程<i>x</i><sup>2</sup>-5<i>x</i>-6=0的解;</p> |
| | | <p>(5) 到一个角的两边距离相等的所有点.</p> |
| | | |
| | | <p class="left"> |
| | |
| | | <li>上册</li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | | <p><span class="zt-ls2">例</span>下列对象能否组成集合?</p> |
| | | |
| | | <p class="fl"> |
| | | <span class="zt-ls2">例</span> |
| | | <span class="t-">下列对象能否组成集合?</span> |
| | | <span class="btn-box" @click="openDialog(thinkTwo)"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
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| | | transform="translate(-3761 14334.001)" /> |
| | | </svg> |
| | | </span> |
| | | </p> |
| | | <ul> |
| | | <li> |
| | | (1) 英文大写字母的全体; |
| | |
| | | transform="translate(-3327.144 15329)" /> |
| | | </svg> |
| | | </span> |
| | | |
| | | <span class="btn-box" @click="openThinkingDialog"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | | transform="translate(-3761 14334.001)" /> |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | |
| | | <li> |
| | | <p v-if="chapter001.isShowExample1"> |
| | | <span class="zt-ls2">解</span> |
| | | (1) 能; |
| | | </p> |
| | | </li> |
| | | |
| | | <li> |
| | | (2) 我们班上高个子同学的全体; |
| | | |
| | | <span class="btn-box" @click="chapter001.isShowExample2 = !chapter001.isShowExample2"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.501" height="16.501" viewBox="0 0 20.501 20.501"> |
| | | <path class="a" |
| | |
| | | transform="translate(-3327.144 15329)" /> |
| | | </svg> |
| | | </span> |
| | | |
| | | <span class="btn-box" @click="openThinkingDialog1"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | | transform="translate(-3761 14334.001)" /> |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | |
| | | <li> |
| | | <p v-if="chapter001.isShowExample2"> |
| | | <span class="zt-ls2">解</span> |
| | |
| | | transform="translate(-3327.144 15329)" /> |
| | | </svg> |
| | | </span> |
| | | |
| | | <span class="btn-box" @click="openThinkingDialog2"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | | transform="translate(-3761 14334.001)" /> |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | |
| | | <li> |
| | | <p v-if="chapter001.isShowExample3"> |
| | | <span class="zt-ls2">解</span> |
| | | (3) 能; |
| | | </p> |
| | | </li> |
| | | |
| | | <li> |
| | | (4) 能被5整除的正整数的全体. |
| | | <span class="btn-box" @click="chapter001.isShowExample4 = !chapter001.isShowExample4"> |
| | |
| | | transform="translate(-3327.144 15329)" /> |
| | | </svg> |
| | | </span> |
| | | <span class="btn-box" @click="openThinkingDialog3"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | | transform="translate(-3761 14334.001)" /> |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | |
| | | <li> |
| | | <p v-if="chapter001.isShowExample4"> |
| | | <span class="zt-ls2">解</span> |
| | |
| | | </p> |
| | | </li> |
| | | </ul> |
| | | |
| | | <p> |
| | | <span class="zt-ls2">分析</span>一些对象是否能够组成集合,要看条件所指的对象是不是确定 |
| | | 的.不能确定的对象是不能组成集合的. |
| | |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | </div> |
| | | <p class="block tl"> |
| | | 同桌两人,其中一人举出一个集合的例子,另一人说出这个集合中的两个元素,再交换练习,看谁的正确率高. |
| | | <!-- <textarea cols="30" rows="4" v-model="chapterData.txtTwo" placeholder="请输入内容" |
| | | class="w100 ta-br textarea-text" @input="handleChapterData"></textarea> --> |
| | | </p> |
| | | <examinations :cardList="questionData[11] ? questionData[11][1] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /> |
| | | </p> |
| | | <!-- <div class="bj"> |
| | | <p> |
| | | 1.你所在班级的任课教师能组成一个集合吗?如果能,请你说出这个集合中的所有元素.<input @change="changeAssess($event, 'text1')" maxlength="20" |
| | | :value="chapter001.tkItem01.text1" class="assess" type="text" /> |
| | | </p> |
| | | <p>2.说出由a,b,c,d,e组成的集合中的元素.</p> |
| | | <div class="textIndentation"> |
| | | 3.判断下列对象能否组成集合. |
| | | <p>(1) 很大的数;</p> |
| | | <p>(2) 一次函数y=2x的图像上所有的点.</p> |
| | | </div> |
| | | <p> |
| | | 4.请你举出两个集合的例子,再说一说它们的元素分别是什么.<input @change="changeAssess($event, 'text2')" maxlength="20" |
| | | :value="chapter001.tkItem01.text2" class="assess" type="text" /> |
| | | </p> |
| | | </div> --> |
| | | |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[11]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData" ></examinations> |
| | | <examinations :cardList="questionData[11] ? questionData[11][2] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | |
| | | <li>上册</li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | | <examinations :cardList="questionData[13]" :hideCollect="true" sourceType="json" |
| | | v-if="questionData" ></examinations> |
| | | <p>全体自然数组成的集合,记作N,称为 <b>自然数集;</b></p> |
| | | <p>全体正整数组成的集合,记作N*或N+,称为; <b>正整数集</b></p> |
| | | <p>全体整数组成的集合,记作Z,称为 <b>整数集;</b></p> |
| | |
| | | <p>全体实数组成的集合,记作R,称为 <b>实数集.</b></p> |
| | | |
| | | <p><span class="zt-ls2">例2</span>用符号“∈”或“∉”填空.</p> |
| | | <p></p> |
| | | |
| | | <ul> |
| | | <li> |
| | | (1) 1____N+; |
| | |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /> |
| | | </p> |
| | | |
| | | <div class="bj"> |
| | | <div class="textIndentation" style="margin-top: 15px"> |
| | | 1.判断下列对象能否组成集合.若能,指出其是有限集、无限集还是空集.<input @change="changeAssess($event, 'text3')" maxlength="20" |
| | | :value="chapter001.tkItem01.text3" class="assess" type="text" /> |
| | | <p>(1) 中国名山中的五岳;</p> |
| | | <p>(2) 所有面积较大的三角形的全体;</p> |
| | | <p>(3) 不等式3x+1>0的所有实数解.</p> |
| | | </div> |
| | | |
| | | <div class="textIndentation"> |
| | | 2.请你举出3个集合的实例,并且指出:<input @change="changeAssess($event, 'text4')" maxlength="20" |
| | | :value="chapter001.tkItem01.text4" class="assess" type="text" /> |
| | | <p>(1) 哪些是有限集?(2) 哪些是无限集?</p> |
| | | <p>(3) 哪些是空集?如果没有空集,请举出两个空集的例子.</p> |
| | | </div> |
| | | |
| | | <div class="textIndentation"> |
| | | 3.用符号“∈”或“∉”填空. |
| | | <p>3.14______Q; -5______Z; π______Q;</p> |
| | | <p>π______Z; 2 3 ______Q; 2 3 ______Z;</p> |
| | | <p>2 3 ______R; 0______N+; 0______N.</p> |
| | | </div> |
| | | <examinations :cardList="questionData[13]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData"> |
| | | </examinations> |
| | | </div> |
| | | |
| | | <h3>1.1.3 集合的表示<span class="fontsz2">>>></span></h3> |
| | | <p> |
| | | 自然数集、 正整数集、 整数集、 有理数集、 实数集、 空集有特定的符 |
| | |
| | | <div class="padding-116"> |
| | | <div style="display: flex; align-items: center"> |
| | | <p><span class="zt-ls2">例2</span>用描述法表示下列集合.</p> |
| | | <span class="btn-box" @click="openThinkingDialog4"> |
| | | <span class="btn-box" @click="openDialog(thinkThree)"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | |
| | | <p>第一单元 集合</p> |
| | | </li> |
| | | <li> |
| | | <p><span>009</span></p> |
| | | <p><span>009-010</span></p> |
| | | </li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | </div> |
| | | <p class="block tl"> |
| | | 分别举出几个集合的例子,使用不同的方法表示这些集合.并与同学交流:哪些集合适合用列举法表示,哪些集合适合用描述法表示? |
| | | </p> |
| | | <examinations :cardList="questionData[16] ? questionData[16][1] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /> |
| | | </p> |
| | | <div class="bj"> |
| | | <div class="textIndentation"> |
| | | 1.用列举法表示下列集合. |
| | | <p> |
| | | (1) 中国古代的四大发明组成的集合;<input @change="changeAssess($event, 'text5')" maxlength="200" |
| | | :value="chapter001.tkItem01.text5" class="assess" type="text" /> |
| | | </p> |
| | | <p> |
| | | (2) 小于16的正偶数组成的集合; |
| | | <input @change="changeAssess($event, 'text6')" maxlength="200" :value="chapter001.tkItem01.text6" |
| | | class="assess" type="text" /> |
| | | </p> |
| | | <p> |
| | | (3) 方程x2+3x+2=0的解集.<input @change="changeAssess($event, 'text7')" maxlength="200" |
| | | :value="chapter001.tkItem01.text7" class="assess" type="text" /> |
| | | </p> |
| | | </div> |
| | | |
| | | <div class="textIndentation"> |
| | | 2.用描述法表示下列集合. |
| | | <p> |
| | | (1) 大于3的自然数组成的集合;<input @change="changeAssess($event, 'text8')" maxlength="200" |
| | | :value="chapter001.tkItem01.text8" class="assess" type="text" /> |
| | | </p> |
| | | <p> |
| | | (2) 所有正奇数组成的集合.<input @change="changeAssess($event, 'text9')" maxlength="200" |
| | | :value="chapter001.tkItem01.text9" class="assess" type="text" /> |
| | | </p> |
| | | </div> |
| | | <div class="textIndentation"> |
| | | 3.分别用列举法和描述法表示由5,10,15,20,25组成的集合.<input @change="changeAssess($event, 'text10')" maxlength="200" |
| | | :value="chapter001.tkItem01.text10" class="assess" type="text" /> |
| | | </div> |
| | | |
| | | <div class="textIndentation"> |
| | | 4.填空题. |
| | | |
| | | <p>(1) 集合{x∈Z|0≤x<4}用列举法可以表示为_______;</p> |
| | | <p> |
| | | (2) 集合 { 1 2 , 1 4 , 1 6 , 1 8 , 1 10 , … } |
| | | 用描述法可以表示为_______. |
| | | </p> |
| | | </div> |
| | | <examinations :cardList="questionData[16] ? questionData[16][2] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | |
| | | <h2 id="c031">习题1.1<span class="fontsz2"> >>></span></h2> |
| | | |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <!-- 010 --> |
| | | <div class="page-box" page="17"> |
| | | <div v-if="showPageList.indexOf(17) > -1"> |
| | | <ul class="page-header-odd fl al-end"> |
| | | <li>010</li> |
| | | <li>数学.基础模块</li> |
| | | <li>上册</li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | | <examinations :cardList="questionData[16]" :hideCollect="true" sourceType="json" |
| | | v-if="questionData" ></examinations> |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[16] ? questionData[16][3] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | <h2 id="c031"> |
| | | 1.2 集合之间的关系<span class="fontsz2">>>></span> |
| | | </h2> |
| | | |
| | | <h3>1.2.1 子集<span class="fontsz2">>>></span></h3> |
| | | |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/gcsk.jpg" /> |
| | | </p> |
| | | |
| | | <p> |
| | | 我国提出并贯彻新发展理念,着力推进高质量发展,自2012年以来的十年间,我国城镇化率提高11.6%,2021年末城镇化率达到64.7%.若2021年年末全国城镇常住人口组成一个集合A,全国人口组成一个集合B,则集合A与集合B之间有什么关系呢? |
| | | </p> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <!-- 010 --> |
| | | <div class="page-box hidePage" page="17"></div> |
| | | <!-- 011 --> |
| | | <div class="page-box" page="18"> |
| | | <div v-if="showPageList.indexOf(18) > -1"> |
| | |
| | | </ul> |
| | | <div class="padding-116"> |
| | | <div class="center openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0023-1.jpg" style="margin-top: 30px" /> |
| | | <img class="img-b" alt="" src="../../assets/images/0023-1.jpg" style="margin-top: 30px" /> |
| | | <p class="img" style="font-size: 14px">图1-4</p> |
| | | </div> |
| | | |
| | | <p>根据子集的定义,任何一个集合A都是它自身的子集,即A⊆A.</p> |
| | | <p> |
| | | 我们规定:<b>空集是任何集合的子集</b> |
| | | ,即对于任何一个集合A,都有∅⊆A. |
| | | </p> |
| | | |
| | | <div class="img-float openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0023-2.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-5</p> |
| | |
| | | </p> |
| | | </li> |
| | | </ul> |
| | | |
| | | <div class="bk-hzjl"> |
| | | <div class="bj1-hzjl"> |
| | | <p class="left"> |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | </div> |
| | | <p class="block tl">符号“∈”和“⊆”有什么不同?与同学交流讨论.</p> |
| | | <examinations :cardList="questionData[19] ? questionData[19][1] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /> |
| | | </p> |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[19]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData" ></examinations> |
| | | <examinations :cardList="questionData[19] ? questionData[19][2] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | |
| | | <li> |
| | | <span class="zt-ls2">例1</span>写出集合 A={a, b, c}的所有子集, |
| | | 并说出集合 A 有几个 真子集. |
| | | |
| | | <span class="btn-box" @click=" |
| | | chapter001.isShowExample19 = !chapter001.isShowExample19 |
| | | "> |
| | |
| | | </svg> |
| | | </span> |
| | | |
| | | <span class="btn-box" @click="openThinkingDialog5"> |
| | | <span class="btn-box" @click="openDialog(thinkOne)"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | </div> |
| | | <examinations :cardList="questionData[21]" :hideCollect="true" sourceType="json" |
| | | v-if="questionData" ></examinations> |
| | | <examinations :cardList="questionData[21]" :hideCollect="true" sourceType="json" v-if="questionData"> |
| | | </examinations> |
| | | </div> |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/fxlj.jpg" /> |
| | |
| | | <p>第一单元 集合</p> |
| | | </li> |
| | | <li> |
| | | <p><span>015</span></p> |
| | | <p><span>015-016</span></p> |
| | | </li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | </div> |
| | | <p class="block tl"> |
| | | 与同学交流讨论,说一说子集、真子集、相等集合的区别与联系. |
| | | </p> |
| | | <examinations :cardList="questionData[22] ? questionData[22][1] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /> |
| | | </p> |
| | | <div class="bj"> |
| | | <div class="textIndentation"> |
| | | 1.用符号“∈”“∉”“=”“⫋”“⫌”填空. |
| | | <p>(1) 4______{1,2,3,4,5};</p> |
| | | <p>(2) {a,b,c}______{c,b,a};</p> |
| | | <p>(3) {a}______{b,c,d,a};</p> |
| | | <p>(4) {x|x<5}______{x|x<3};</p> |
| | | <p>(5) {x|x是正方形}______{x|x是矩形}.</p> |
| | | </div> |
| | | |
| | | <p> |
| | | 2.写出集合A={a,b,c,d}的所有子集,并说出A有几个非空真子集. |
| | | <textarea cols="30" rows="4" v-model="chapterData.txt2" placeholder="请输入内容" |
| | | class="w100 ta-br textarea-text" @input="handleChapterData"></textarea> |
| | | </p> |
| | | <p> |
| | | 3.设集合A={x|x是正方形},B={x|x是矩形},C={x|x是平行四边形},写出它们之间所有的包含关系. |
| | | <textarea cols="30" rows="4" v-model="chapterData.txt2" placeholder="请输入内容" |
| | | class="w100 ta-br textarea-text" @input="handleChapterData"></textarea> |
| | | </p> |
| | | <examinations :cardList="questionData[22] ? questionData[22][2] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | <h2 id="c031">习题1.2<span class="fontsz2"> >>></span></h2> |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[22]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData" ></examinations> |
| | | <examinations :cardList="questionData[22] ? questionData[22][3] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <!-- 016 --> |
| | | <div class="page-box" page="23"> |
| | | <div v-if="showPageList.indexOf(23) > -1"> |
| | | <ul class="page-header-odd fl al-end"> |
| | | <li>016</li> |
| | | <li>数学.基础模块</li> |
| | | <li>上册</li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | | <h2 id="c031"> |
| | | 1.3 集合的运算<span class="fontsz2">>>>>>></span> |
| | | </h2> |
| | |
| | | 到2035年,我国要发展成为体育强国.北京市曾在2008年和2022年分别举办了第29届夏季奥运会和第24届冬季奥运会, |
| | | 因此成为世界上第一个既举办过夏季奥运会又举办过冬季奥运会的城市.现在用集合的观点来分析这个问题,如图1-8所示,我们用集合U表示世界上所有的城市,用集合A表示到2022年年底举办过夏季奥运会的城市,用集合B表示到2022年年底举办过冬季奥运会的城市. |
| | | </p> |
| | | |
| | | <p> |
| | | (1) 图中哪部分表示既举办过夏季奥运会又举办过冬季奥运会的城市? |
| | | </p> |
| | |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <!-- 016 --> |
| | | <div class="page-box hidePage" page="23"></div> |
| | | <!-- 017 --> |
| | | <div class="page-box" page="24"> |
| | | <div v-if="showPageList.indexOf(24) > -1"> |
| | |
| | | <img class="img-c" alt="" src="../../assets/images/0028-2.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-10</p> |
| | | </div> |
| | | |
| | | <p> |
| | | 再如,集合M={1,2},集合P={1,2,3},集合Q={1,2,5,6},则集合M中的元素既是集合P中的元素,又是集合Q中的元素.集合M是集合P和集合Q中的所有公共元素组成的集合,如图1-10所示. |
| | | </p> |
| | | |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/cxgk.jpg" /> |
| | | </p> |
| | | |
| | | <div class="img-rights openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0028-3.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-11</p> |
| | |
| | | </p> |
| | | <p>C=A∩B={x|x∈A且x∈B}.</p> |
| | | <p>图1-11中的涂色部分表示集合A与集合B的交集.</p> |
| | | |
| | | <ul> |
| | | <li> |
| | | <div> |
| | |
| | | <div> |
| | | <span class="zt-ls2">例2</span>设集合A={x|-1<x<7},B={x|-3<x≤3},求A∩B. |
| | | </div> |
| | | |
| | | <span class="btn-box" @click=" |
| | | chapter001.isShowExample24 = !chapter001.isShowExample24 |
| | | "> |
| | |
| | | transform="translate(-3327.144 15329)" /> |
| | | </svg> |
| | | </span> |
| | | |
| | | <span class="btn-box" @click="openThinkingDialog6"> |
| | | <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"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | <li v-if="chapter001.isShowExample24"> |
| | | <p> |
| | | <span class="zt-ls2">解</span>在数轴上将集合A与B表示出来(如图1-12所示). |
| | | </p> |
| | | </li> |
| | | </ul> |
| | | |
| | | <div class="bk"> |
| | | <div class="bj1"> |
| | | <p class="left"> |
| | |
| | | </div> |
| | | <p class="block">交集</p> |
| | | </div> |
| | | |
| | | <p>观察可知 A∩B={x|-1<x≤3}.</p> |
| | | <div class="center openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0028-4.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-12</p> |
| | | <div v-if="chapter001.isShowExample24"> |
| | | <p> |
| | | <span class="zt-ls2">解</span>在数轴上将集合A与B表示出来(如图1-12所示). |
| | | </p> |
| | | <p>观察可知 A∩B={x|-1<x≤3}.</p> |
| | | <div class="center openImgBox"> |
| | | <img class="img-f" alt="" src="../../assets/images/0028-4.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-12</p> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | |
| | | <ul> |
| | | <li> |
| | | <span class="zt-ls2">例3</span>设集合A={x|x≤2},B={x|x<-1},求A∩B. |
| | | |
| | | <span class="btn-box" @click=" |
| | | chapter001.isShowExample25 = !chapter001.isShowExample25 |
| | | "> |
| | |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | <li v-if="chapter001.isShowExample25"> |
| | | <p> |
| | | <span class="zt-ls2">解</span>在数轴上将集合A,B表示出来(如图1-13所示). |
| | | </p> |
| | | </li> |
| | | </ul> |
| | | |
| | | <div class="center openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0029-1.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-13</p> |
| | | <div v-if="chapter001.isShowExample25"> |
| | | <p> |
| | | <span class="zt-ls2">解</span>在数轴上将集合A,B表示出来(如图1-13所示). |
| | | </p> |
| | | <div class="center openImgBox"> |
| | | <img class="img-f" alt="" src="../../assets/images/0029-1.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-13</p> |
| | | </div> |
| | | <p>观察可知A∩B={x|x<-1}.</p> |
| | | </div> |
| | | |
| | | <p>观察可知A∩B={x|x<-1}.</p> |
| | | |
| | | <ul> |
| | | <li> |
| | | <span class="zt-ls2">例4</span>设集合A={(x,y)|x+2y-6=0},B={(x,y)|x-4y=0},求A∩B. |
| | |
| | | </svg> |
| | | </span> |
| | | |
| | | <span class="btn-box" @click="openThinkingDialog7"> |
| | | <span class="btn-box" @click="openDialog(thinkFive)"> |
| | | <svg xmlns="http://www.w3.org/2000/svg" width="16.545" height="18.112" viewBox="0 0 20.545 22.112"> |
| | | <path class="a" |
| | | d="M3771.2-14311.889a2.356,2.356,0,0,1-1.727-.626c-.027-.054-.053-.1-.079-.148l0-.007c-.123-.224-.2-.371-.076-.629a.869.869,0,0,1,.784-.471.205.205,0,0,1,.158.079.205.205,0,0,0,.158.079.187.187,0,0,0,.038.1.143.143,0,0,0,.117.05h.158a.573.573,0,0,0,.471.158,2.2,2.2,0,0,0,.916-.3l.023-.011a.572.572,0,0,1,.471-.158.575.575,0,0,1,.626.626.526.526,0,0,1,.036.409.664.664,0,0,1-.349.375A3.582,3.582,0,0,1,3771.2-14311.889Zm-1.885-1.723h-.155a.718.718,0,0,1-.784-.63.38.38,0,0,1-.021-.3.976.976,0,0,1,.492-.485l4.86-1.252a1.047,1.047,0,0,1,.784.626c.151.3-.128.61-.471.784l-4.705,1.256Zm-.155-1.885H3769a.716.716,0,0,1-.784-.626c-.149-.3.129-.611.471-.784l4.234-1.1v-.158l-.021.007a7.808,7.808,0,0,1-1.861.31,5.3,5.3,0,0,1-3.137-.942,5.789,5.789,0,0,1-2.666-4.076,6.421,6.421,0,0,1,1.256-5.018,7.038,7.038,0,0,1,2.194-1.568,7.848,7.848,0,0,1,2.666-.472,6.43,6.43,0,0,1,2.979.784,4.958,4.958,0,0,1,2.2,2.194,5.522,5.522,0,0,1,.313,5.177,13.113,13.113,0,0,1-1.256,1.882l-.313.313a2.156,2.156,0,0,0-.78,1.244l0,.012a1.731,1.731,0,0,1-1.727,1.723l-.313.158-3.292.939Zm1.256-6.271v1.256h1.41v-1.256Zm.784-4.234c.718,0,1.1.271,1.1.784a.925.925,0,0,1-.316.783l-.468.156a2.235,2.235,0,0,0-.63.471l-.012.024a2.2,2.2,0,0,0-.3.918v.155h1.1v-.155a1.2,1.2,0,0,1,.313-.629.543.543,0,0,0,.315-.153c.007,0,.315,0,.315-.16a1.226,1.226,0,0,0,.626-.626,2.277,2.277,0,0,0,.313-1.1,1.409,1.409,0,0,0-.626-1.252,2.337,2.337,0,0,0-1.569-.471,2.258,2.258,0,0,0-2.507,2.353l1.252.154A1.121,1.121,0,0,1,3771.2-14326Zm-6.51,9.645a.769.769,0,0,1-.549-.237.772.772,0,0,1-.235-.549.772.772,0,0,1,.235-.548l.939-.939a.781.781,0,0,1,.55-.234.772.772,0,0,1,.547.234.772.772,0,0,1,.238.549.772.772,0,0,1-.238.549l-.939.938A.769.769,0,0,1,3764.686-14316.356Zm13.174-.157a.774.774,0,0,1-.549-.234l-.943-.942a.678.678,0,0,1-.233-.47.678.678,0,0,1,.233-.47.774.774,0,0,1,.549-.234.774.774,0,0,1,.549.234l.942.939a.427.427,0,0,1,.228.324.74.74,0,0,1-.228.618A.774.774,0,0,1,3777.859-14316.514Zm2.9-6.351h-1.414c-.469-.158-.784-.474-.784-.784a.743.743,0,0,1,.784-.784h1.414a.743.743,0,0,1,.784.784A.743.743,0,0,1,3780.761-14322.864Zm-17.566-.158h-1.41c-.469-.157-.784-.473-.784-.784a.743.743,0,0,1,.784-.784h1.41a.743.743,0,0,1,.784.784A.743.743,0,0,1,3763.195-14323.022Zm13.861-5.723a.759.759,0,0,1-.529-.237.776.776,0,0,1-.235-.549.772.772,0,0,1,.235-.549l.939-.938a.44.44,0,0,1,.413-.238.759.759,0,0,1,.529.238.772.772,0,0,1,.235.549.772.772,0,0,1-.235.548l-.942.939A.435.435,0,0,1,3777.055-14328.745Zm-11.429,0a.776.776,0,0,1-.55-.237l-.939-1.1a.678.678,0,0,1-.235-.469.678.678,0,0,1,.235-.47.772.772,0,0,1,.549-.238.772.772,0,0,1,.549.238l.939,1.1a.675.675,0,0,1,.238.47.675.675,0,0,1-.238.47A.767.767,0,0,1,3765.626-14328.745Zm5.724-2.273a.743.743,0,0,1-.784-.785v-1.413c.157-.469.473-.784.784-.784a.743.743,0,0,1,.784.784v1.413A.743.743,0,0,1,3771.35-14331.019Z" |
| | |
| | | </span> |
| | | </li> |
| | | <li v-if="chapter001.isShowExample26"> |
| | | <div> |
| | | <p> |
| | | <span class="zt-ls"><b>解</b></span> 解方程组<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>+</mo> |
| | | <mn>2</mn> |
| | | <mi>y</mi> |
| | | <mo>−</mo> |
| | | <mn>6</mn> |
| | | <mo>=</mo> |
| | | <mn>0</mn> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | <mtr> |
| | | <mtd> |
| | | <mi>x</mi> |
| | | <mo>−</mo> |
| | | <mn>4</mn> |
| | | <mi>y</mi> |
| | | <mo>=</mo> |
| | | <mn>0</mn> |
| | | <mo>,</mo> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | </mtable> |
| | | <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo> |
| | | </mrow> |
| | | </math>, 得<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>=</mo> |
| | | <mn>4</mn> |
| | | <mo>,</mo> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | <mtr> |
| | | <mtd> |
| | | <mi>y</mi> |
| | | <mo>=</mo> |
| | | <mn>1.</mn> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | </mtable> |
| | | <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo> |
| | | </mrow> |
| | | </math>. |
| | | </p> |
| | | <p>所以A∩B={(4,1)}.</p> |
| | | </div> |
| | | <div></div> |
| | | </li> |
| | | </ul> |
| | | |
| | | <div class="textIndentation"> |
| | | 根据交集的含义可以知道,对于任意两个集合A,B,有下述性质. |
| | | <p>(1) A∩B=B∩A;(2) A∩A=A,A∩∅=∅;</p> |
| | | <p>(3) A∩B⊆A,A∩B⊆B;(4) 若A⊆B,则A∩B=A.</p> |
| | | <div v-if="chapter001.isShowExample26"> |
| | | <p> |
| | | <span class="zt-ls"><b>解</b></span> 解方程组<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>+</mo> |
| | | <mn>2</mn> |
| | | <mi>y</mi> |
| | | <mo>−</mo> |
| | | <mn>6</mn> |
| | | <mo>=</mo> |
| | | <mn>0</mn> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | <mtr> |
| | | <mtd> |
| | | <mi>x</mi> |
| | | <mo>−</mo> |
| | | <mn>4</mn> |
| | | <mi>y</mi> |
| | | <mo>=</mo> |
| | | <mn>0</mn> |
| | | <mo>,</mo> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | </mtable> |
| | | <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo> |
| | | </mrow> |
| | | </math>, 得<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>=</mo> |
| | | <mn>4</mn> |
| | | <mo>,</mo> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | <mtr> |
| | | <mtd> |
| | | <mi>y</mi> |
| | | <mo>=</mo> |
| | | <mn>1.</mn> |
| | | </mtd> |
| | | <mtd></mtd> |
| | | </mtr> |
| | | </mtable> |
| | | <mo data-mjx-texclass="CLOSE" fence="true" stretchy="true" symmetric="true"></mo> |
| | | </mrow> |
| | | </math>. |
| | | </p> |
| | | <p>所以A∩B={(4,1)}.</p> |
| | | <div class="textIndentation"> |
| | | 根据交集的含义可以知道,对于任意两个集合A,B,有下述性质. |
| | | <p>(1) A∩B=B∩A;(2) A∩A=A,A∩∅=∅;</p> |
| | | <p>(3) A∩B⊆A,A∩B⊆B;(4) 若A⊆B,则A∩B=A.</p> |
| | | </div> |
| | | </div> |
| | | <examinations :cardList="questionData[25]" :hideCollect="true" sourceType="json" |
| | | v-if="questionData" ></examinations> |
| | | |
| | | <div class="bk-hzjl"> |
| | | <div class="bj1-hzjl"> |
| | | <p class="left"> |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | </div> |
| | | <examinations :cardList="questionData[25] ? questionData[25][1] : []" :hideCollect="true" sourceType="json" |
| | | v-if="questionData"> |
| | | </examinations> |
| | | </div> |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /> |
| | | </p> |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[25] ? questionData[25][2] : []" :hideCollect="true" sourceType="json" |
| | | inputBc="#d3edfa" v-if="questionData"></examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | |
| | | <p>C=A∪B={x|x∈A或x∈B}.</p> |
| | | <p>图1-16(1)(2) 中的涂色部分就表示集合A与集合B的并集.</p> |
| | | <div class="center openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0030-3.jpg" /> |
| | | <img class="img-b" alt="" src="../../assets/images/0030-3.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-16</p> |
| | | </div> |
| | | = |
| | |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | <li v-if="chapter001.isShowExample28"> |
| | | <p> |
| | | <span class="zt-ls2">解 </span>在数轴上将集合A,B表示出来(如图1-17所示). |
| | | </p> |
| | | </li> |
| | | </ul> |
| | | <div class="center openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0031-1.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-17</p> |
| | | <div v-if="chapter001.isShowExample28"> |
| | | <p> |
| | | <span class="zt-ls2">解 </span>在数轴上将集合A,B表示出来(如图1-17所示). |
| | | </p> |
| | | <div class="center openImgBox"> |
| | | <img class="img-f" alt="" src="../../assets/images/0031-1.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-17</p> |
| | | </div> |
| | | <p>观察可知A∪B={x|-3<x<7}.</p> |
| | | </div> |
| | | <p>观察可知A∪B={x|-3<x<7}.</p> |
| | | <div class="bk-hzjl"> |
| | | <div class="bj1-hzjl"> |
| | | <p class="left"> |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | <examinations :cardList="questionData[27]" :hideCollect="true" sourceType="json" |
| | | v-if="questionData" ></examinations> |
| | | <examinations :cardList="questionData[27] ? questionData[27][1] : []" :hideCollect="true" |
| | | sourceType="json" v-if="questionData"> |
| | | </examinations> |
| | | </div> |
| | | </div> |
| | | <ul> |
| | |
| | | </svg> |
| | | </span> |
| | | </li> |
| | | <li v-if="chapter001.isShowExample29"> |
| | | <p> |
| | | <span class="zt-ls2">解</span>在数轴上将集合A, B 表示出来, |
| | | 如图1-18所示. |
| | | </p> |
| | | </li> |
| | | </ul> |
| | | <div class="center openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0031-2.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-18</p> |
| | | <div v-if="chapter001.isShowExample29"> |
| | | <p> |
| | | <span class="zt-ls2">解</span>在数轴上将集合A, B 表示出来, |
| | | 如图1-18所示. |
| | | </p> |
| | | <div class="center openImgBox"> |
| | | <img class="img-f" alt="" src="../../assets/images/0031-2.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-18</p> |
| | | </div> |
| | | <p>观察可知A∪B={x|x>4或x≤-2}.</p> |
| | | <p>根据并集的含义可以知道,对于任意两个集合A,B,有下述性质.</p> |
| | | <p>(1) A∪B=B∪A;(2) A∪A=A,A∪∅=A;</p> |
| | | <p>(3) A⊆A∪B,B⊆A∪B;(4) 若B⊆A,则A∪B=A.</p> |
| | | </div> |
| | | <p>观察可知A∪B={x|x>4或x≤-2}.</p> |
| | | <p>根据并集的含义可以知道,对于任意两个集合A,B,有下述性质.</p> |
| | | <p>(1) A∪B=B∪A;(2) A∪A=A,A∪∅=A;</p> |
| | | <p>(3) A⊆A∪B,B⊆A∪B;(4) 若B⊆A,则A∪B=A.</p> |
| | | <div class="bk-hzjl"> |
| | | <div class="bj1-hzjl"> |
| | | <p class="left"> |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | <examinations :cardList="questionData[27] ? questionData[27][2] : []" :hideCollect="true" |
| | | sourceType="json" v-if="questionData"> |
| | | </examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | |
| | | </p> |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[28]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData" ></examinations> |
| | | v-if="questionData"></examinations> |
| | | </div> |
| | | <h3>1.3.3 全集与补集<span class="fontsz2">>>></span></h3> |
| | | |
| | |
| | | 根据全集和补集的含义可以知道,对于全集U和它的一个子集A,有下述性质. |
| | | </p> |
| | | <p>(1) A∪(∁UA)=U;(2) A∩(∁UA)=∅;(3) ∁U(∁UA)=A.</p> |
| | | |
| | | <div class="bk-hzjl"> |
| | | <div class="bj1-hzjl"> |
| | | <p class="left"> |
| | |
| | | </p> |
| | | </div> |
| | | <p class="block tl"> |
| | | <examinations :cardList="questionData[29]" :hideCollect="true" sourceType="json" |
| | | v-if="questionData" ></examinations> |
| | | <examinations :cardList="questionData[29] ? questionData[29][1] : []" :hideCollect="true" |
| | | sourceType="json" v-if="questionData"> |
| | | </examinations> |
| | | </p> |
| | | </div> |
| | | <p> |
| | | <span class="zt-ls2">例1</span>设全集U={x|x是小于10的自然数},集合A={2,5,6,7},B={1,3,5,7}.求: |
| | | </p> |
| | | |
| | | <ul> |
| | | <li> |
| | | (1) A∩B和A∪B; |
| | |
| | | </div> |
| | | </li> |
| | | </ul> |
| | | <div class="bk-hzjl"> |
| | | <div class="bj1-hzjl"> |
| | | <p class="left"> |
| | | <img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" /> |
| | | </p> |
| | | </div> |
| | | <p class="block tl"> |
| | | <examinations :cardList="questionData[29] ? questionData[29][2] : []" :hideCollect="true" |
| | | sourceType="json" v-if="questionData"> |
| | | </examinations> |
| | | </p> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | |
| | | </ul> |
| | | |
| | | <div class="center openImgBox"> |
| | | <img class="img-c" alt="" src="../../assets/images/0034-1.jpg" /> |
| | | <img class="img-d" alt="" src="../../assets/images/0034-1.jpg" /> |
| | | <p class="img" style="font-size: 14px">图1-21</p> |
| | | </div> |
| | | |
| | |
| | | <p class="left"> |
| | | <img class="img-gn" alt="" src="../../assets/images/stlx.jpg" /> |
| | | </p> |
| | | <div class="bj" > |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[30]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData" ></examinations> |
| | | v-if="questionData"></examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | |
| | | <div class="page-box" page="31"> |
| | | <div v-if="showPageList.indexOf(31) > -1"> |
| | | <ul class="page-header-odd fl al-end"> |
| | | <li>024</li> |
| | | <li>024-025</li> |
| | | <li>数学.基础模块</li> |
| | | <li>上册</li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | | <h2 id="c031">习题1.3<span class="fontsz2"> >>></span></h2> |
| | | <div class="bj" > |
| | | <div class="bj"> |
| | | <examinations :cardList="questionData[31]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData" ></examinations> |
| | | v-if="questionData"></examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <!-- 025 --> |
| | | <div class="page-box hidePage" page="32"> |
| | | <div v-if="showPageList.indexOf(32) > -1"> |
| | | <ul class="page-header-box"> |
| | | <li> |
| | | <p>第一单元 集合</p> |
| | | </li> |
| | | <li> |
| | | <p><span>025</span></p> |
| | | </li> |
| | | </ul> |
| | | <div class="padding-116"> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <div class="page-box hidePage" page="32"></div> |
| | | <!-- 026 --> |
| | | <div class="page-box" page="33"> |
| | | <div v-if="showPageList.indexOf(33) > -1"> |
| | |
| | | <p>第一单元 集合</p> |
| | | </li> |
| | | <li> |
| | | <p><span>029</span></p> |
| | | <p><span>029-030</span></p> |
| | | </li> |
| | | </ul> |
| | | |
| | | <div class="padding-116"> |
| | | <h2 id="c031">单元检测<span class="fontsz2"> >>>>>></span></h2> |
| | | |
| | | <div class="bj"> |
| | | <p> |
| | | <span class="bj-sp">水平一</span> |
| | | </p> |
| | | |
| | | <div class="textIndentation"> |
| | | 1.选择题. |
| | | <p>(1) 下列表示方法正确的是( ).</p> |
| | | <p>A.{a}∈{a,b,c}</p> |
| | | <p>B.0∈∅</p> |
| | | <p>C.N+⫋N</p> |
| | | <p>D.{x|x是无限小数}={x|x是无理数}</p> |
| | | <p> |
| | | (2) 方程(x2+1)(x-2)(x-3)=0的解集表示不正确的是( ). |
| | | </p> |
| | | <p>A.{2,3}</p> |
| | | <p>B.{3,2}</p> |
| | | <p>C.{x|(x2+1)(x-2)(x-3)=0}</p> |
| | | <p>D.{(2,3)}</p> |
| | | <p> |
| | | (3) 设全集为N,集合M={x∈N|x≥8},则∁NM中元素的个数为( ). |
| | | </p> |
| | | <p>A.7个</p> |
| | | <p>B.8个</p> |
| | | <p>C.9个</p> |
| | | <p>D.无限多个</p> |
| | | <p>(4) 集合{x∈N|-1<x≤2}的真子集的个数是( ).</p> |
| | | <p>A.15个</p> |
| | | <p>B.16个</p> |
| | | <p>C.7个</p> |
| | | <p>D.8个</p> |
| | | <p> |
| | | (5) |
| | | 已知全集U={x∈N+|-2<x<9},集合M={3,4,5},P={1,3,6},则{2,7,8}是( ). |
| | | </p> |
| | | <p>A.M∪P</p> |
| | | <p>B.M∩P</p> |
| | | <p>C.(∁UM)∪(∁UP)</p> |
| | | <p>D.(∁UM)∩(∁UP)</p> |
| | | </div> |
| | | |
| | | <p> |
| | | 2.已知全集为R,集合A={x|x≥1},B={x|0≤x<3},则A∪B=____,A∩B=____,∁R(A∪B)=____,∁R(A∩B)=____. |
| | | </p> |
| | | <p> |
| | | 3.已知集合A={2,4,5,9,11},B={1,3,5,7,9},则A∪B=____,A∩B=____. |
| | | </p> |
| | | <p> |
| | | 4.设全集U=R,集合A={x|x<-1},B={x|-3≤x<3},求A∩B,A∪B,∁UA,∁UB,(∁UA)∩(∁UB),∁U(A∪B),(∁UA)∪(∁UB),∁U(A∩B). |
| | | </p> |
| | | <examinations :cardList="questionData[36]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" |
| | | v-if="questionData"></examinations> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <!-- 030 --> |
| | | <div class="page-box" page="37"> |
| | | <div v-if="showPageList.indexOf(37) > -1"> |
| | | <ul class="page-header-odd fl al-end"> |
| | | <li>030</li> |
| | | <li>数学.基础模块</li> |
| | | <li>上册</li> |
| | | </ul> |
| | | |
| | | <div class="padding-116"> |
| | | <div class="bj"> |
| | | <p> |
| | | <span class="bj-sp">水平二</span> |
| | | </p> |
| | | |
| | | <p>1.已知集合A={-4,x2},B={x-1,9},求满足下列条件的x的值.</p> |
| | | <p>(1) 9∈A∩B;(2) {9}=A∩B.</p> |
| | | <p>2.集合M={x|ax2+2x+1=0}只有一个元素,写出由a的值组成的集合.</p> |
| | | <p> |
| | | 3.设集合A={x|-4<x<2},B={x|-m-1<x<m-1,m>0},求分别满足下列条件的m的取值的集合. |
| | | </p> |
| | | <p>(1) A⊆B;(2) A∩B=∅.</p> |
| | | <p>4.已知集合A={x|x2-3x+2=0},B={x|x2-ax+a-1=0}.</p> |
| | | <p>(1) 用列举法表示集合A,B;</p> |
| | | <p>(2) 如果A=B,求a的值.</p> |
| | | <p> |
| | | 5.已知全集U={x|x是不大于20的质数},A⊆U,B⊆U,且A∩(∁UB)={3,5},B∩(∁UA)={7,19},(∁UA)∩(∁UB)={2,17}. |
| | | </p> |
| | | <p>(1) 用Venn 图表示已知条件中集合之间的关系;</p> |
| | | <p>(2) 求集合A和B.</p> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | |
| | | <!-- 函数控件弹窗 --> |
| | | <el-dialog :visible.sync="dialogVisible" width="60%" :append-to-body="true" :show-close="false"> |
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| | | 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" |
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| | | fill="#979797" p-id="4254"></path> |
| | | </svg> |
| | | </div> |
| | | <iframe src="https://www.geogebra.org/calculator" frameborder="0" style="width: 100%; min-height: 800px"></iframe> |
| | | </el-dialog> |
| | | |
| | | <div class="page-box hidePage" page="37"></div> |
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| | | padding: 0; |
| | | text-align: center; |
| | | color: #333; |
| | | display: flex; |
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| | | "> |
| | | <span style=""> 解题思路 </span> |
| | | <svg style="position: absolute; right: 10px; cursor: pointer" @click="thinkingDialog1 = false" t="1718596022986" |
| | | <span style=""> 分析 </span> |
| | | <svg style="position: absolute; right: 10px; cursor: pointer" @click="thinkingDialog = false" t="1718596022986" |
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| | | <ul> |
| | | <li> |
| | | <div style="display: flex"> |
| | | <span style="position: relative"> |
| | | <img src="../../assets/images/icon/blue-group.png" alt="" style="margin-right: 10px" /> |
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| | | <span style=""> 解题思路 </span> |
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| | | 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> |
| | | <div style="display: flex"> |
| | | <span style="position: relative"> |
| | | <img src="../../assets/images/icon/blue-group.png" alt="" style="margin-right: 10px" /> |
| | | </span> |
| | | <p style="width: 130px"> |
| | | <span style="color: #00a1e9; font-weight: bold; margin-right: 15px" class="zt-ls2">分析</span> |
| | | </p> |
| | | <div v-html="sahdi"></div> |
| | | </div> |
| | | </li> |
| | | </ul> |
| | | </el-dialog> |
| | | <!-- 解题步骤弹窗 --> |
| | | <el-dialog class="stepDialog" title="解题步骤" :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> 解题步骤 </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"> |
| | | <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" |
| | | v-if="index < stepOne.length - 1" /> |
| | | <img src="../../assets/images/icon/blue.png" alt="" v-if="index == stepOne.length - 1" |
| | | v-if="index < thinkOne.length - 1" /> |
| | | <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="showNextChange(stepIndex)" 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="stepIndex != 2" /> |
| | | <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> |
| | | |
| | | <!-- 解题思路弹窗 --> |
| | | <el-dialog :visible.sync="thinkingDialog3" 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=""> 解题思路 </span> |
| | | <svg style="position: absolute; right: 10px; cursor: pointer" @click="thinkingDialog3 = 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 thinkOne" :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" /> |
| | | <!-- <img src="../../assets/images/icon/blue.png" alt="" style="margin-right: 10px" /> --> |
| | | </span> |
| | | <p class="txt-p">{{ item.txt }}</p> |
| | | </div> |
| | | </li> |
| | | </ul> |
| | | <div @click="showNext(thinkIndex)" style=" |
| | | display: flex; |
| | | flex-direction: column; |
| | | align-items: center; |
| | | justify-content: center; |
| | | "> |
| | | <img src="../../assets/images/icon/mouse.png" alt="" v-if="thinkIndex <= 4" /> |
| | | <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 |
| | |
| | | </template> |
| | | |
| | | <script> |
| | | import examinations from '@/components/examinations/index.vue' |
| | | // import graffiti from '@/components/graffiti/index.vue' |
| | | import { getResourcePath } from '@/assets/methods/resources' |
| | | import examinations from "@/components/examinations/index.vue"; |
| | | import { getResourcePath } from "@/assets/methods/resources"; |
| | | import { |
| | | getCollectResource, |
| | | setCollectResource, |
| | | } from '@/assets/methods/resources' |
| | | } from "@/assets/methods/resources"; |
| | | export default { |
| | | name: 'chapter-one', |
| | | name: "chapter-one", |
| | | components: { examinations }, |
| | | props: { |
| | | showPageList: { |
| | |
| | | }, |
| | | }, |
| | | async mounted() { |
| | | const data = localStorage.getItem('math-chapterData') |
| | | const data = localStorage.getItem("math-chapterData"); |
| | | if (data) { |
| | | this.chapterData = JSON.parse(data) |
| | | this.chapterData = JSON.parse(data); |
| | | } |
| | | this.getPath() |
| | | this.getPath(); |
| | | this.collectResourceList = await getCollectResource( |
| | | this.config.activeBook.bookId |
| | | ) |
| | | ); |
| | | }, |
| | | data() { |
| | | return { |
| | | chapter001: { |
| | | tkItem01: { |
| | | text1: '', |
| | | text1: "", |
| | | }, |
| | | isShowExample1: false, |
| | | isShowExample2: false, |
| | |
| | | isShowExample40: false, |
| | | isShowExample41: false, |
| | | }, |
| | | collectImg: require('../../assets/images/icon/heart.png'), |
| | | collectCheck: require('../../assets/images/icon/heart-check.png'), |
| | | |
| | | sahdi: '', |
| | | |
| | | dialogVisible: false, |
| | | collectImg: require("../../assets/images/icon/heart.png"), |
| | | collectCheck: require("../../assets/images/icon/heart-check.png"), |
| | | thinkingDialog: false, |
| | | thinkingDialog1: false, |
| | | thinkingDialog2: false, |
| | | thinkingDialog3: false, |
| | | stepDialog: false, |
| | | ballText: '', |
| | | videoPath: '', |
| | | videoPath: "", |
| | | stepIndex: 1, |
| | | thinkIndex: 1, |
| | | collectResourceList: [], |
| | | chapterData: { |
| | | isCollectImg: false, |
| | | isCollectVideo: false, |
| | | txtOne: '', |
| | | txtTwo: '', |
| | | txtOne: "", |
| | | txtTwo: "", |
| | | }, |
| | | thinkOne: [ |
| | | { |
| | | txt: '分析为了不重不漏地写出集合A 的所有子集,我们应分为以下几个 步骤来写.', |
| | | isShow: true, |
| | | }, |
| | | { |
| | | txt: '(1) ∅是所有集合的子集,所以先写出 ∅;', |
| | | isShow: false, |
| | | }, |
| | | { |
| | | txt: '(2) 写出含有一个元素的子集:{a},{b},{c};', |
| | | isShow: false, |
| | | }, |
| | | { |
| | | txt: '(3) 写出含有两个元素的子集:{a,b},{a,c},{b,c};', |
| | | isShow: false, |
| | | }, |
| | | { |
| | | txt: '(4) 写出含有三个元素的子集:{a,b,c}', |
| | | isShow: false, |
| | | }, |
| | | ], |
| | | stepOne: [ |
| | | { |
| | | txt: '1:(1)函数f(x)=3x2+1的定义域是R,对任意XER,都有-XER', |
| | | txt: "1:(1)函数f(x)=3x2+1的定义域是R,对任意XER,都有-XER", |
| | | isShow: true, |
| | | }, |
| | | { |
| | | txt: '2:f(-x)=3(-x)2+1=3x2+1=f(x)', |
| | | txt: "2:f(-x)=3(-x)2+1=3x2+1=f(x)", |
| | | isShow: false, |
| | | }, |
| | | ], |
| | | 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: '胆小的', |
| | | value: 'A', |
| | | isShow: true, |
| | | }, |
| | | { |
| | | img: '', |
| | | index: '010312', |
| | | txt: '善良的', |
| | | value: 'B', |
| | | isShow: true, |
| | | }, |
| | | { |
| | | img: '', |
| | | index: '010313', |
| | | txt: '沉稳的', |
| | | value: 'C', |
| | | isShow: true, |
| | | }, |
| | | ], |
| | | optionStyle: 'Txt', |
| | | questionType: 'drag', |
| | | score: 2, |
| | | stem: { |
| | | 0: '蚂蚁队长走路昂首挺胸、步伐坚定,它是一只(', |
| | | 1: { |
| | | data: 'span', |
| | | num: 0, |
| | | }, |
| | | 2: ')蚂蚁;小蚂蚁走起路来小心翼翼,眼神飘忽不定,它是一只(', |
| | | 3: { |
| | | data: 'span', |
| | | num: 1, |
| | | }, |
| | | 4: ')蚂蚁;蚂蚁小妹面带微笑,时刻愿意帮助大家,它是一只(', |
| | | 5: { |
| | | data: 'span', |
| | | num: 2, |
| | | }, |
| | | 6: ' )蚂蚁', |
| | | }, |
| | | stemStyle: 'RichTxt', |
| | | type: '拖拽题', |
| | | userAnswer: [ |
| | | { |
| | | vlaue: '', |
| | | txt: '', |
| | | }, |
| | | { |
| | | vlaue: '', |
| | | txt: '', |
| | | }, |
| | | { |
| | | vlaue: '', |
| | | txt: '', |
| | | }, |
| | | ], |
| | | }, |
| | | // 新增 |
| | | thinkData: [], |
| | | thinkOne: [ |
| | | "分析为了不重不漏地写出集合A 的所有子集,我们应分为以下几个 步骤来写.", |
| | | "(1) ∅是所有集合的子集,所以先写出 ∅;", |
| | | "(2) 写出含有一个元素的子集:{a},{b},{c};", |
| | | "(3) 写出含有两个元素的子集:{a,b},{a,c},{b,c};", |
| | | "(4) 写出含有三个元素的子集:{a,b,c}", |
| | | ], |
| | | } |
| | | }, |
| | | |
| | | created() { |
| | | const localData = JSON.parse(localStorage.getItem('chapter001')) |
| | | if (localData) { |
| | | this.chapter001 = { ...Object.assign(this.chapter001, localData) } |
| | | } |
| | | }, |
| | | methods: { |
| | | changeAssess(e, val) { |
| | | this.chapter001.tkItem01[val] = e.target.value |
| | | localStorage.setItem('chapter001', JSON.stringify(this.chapter001)) |
| | | }, |
| | | handleChapterData() { |
| | | localStorage.setItem('math-chapterData', JSON.stringify(this.chapterData)) |
| | | }, |
| | | async getPath() { |
| | | this.videoPath = await getResourcePath('a28cd862d61b5df2201406b76e9f01b0') |
| | | console.log(this.videoPath, '0988') |
| | | }, |
| | | // getQuestionData() { |
| | | // axios |
| | | // .get(this.config.activeBook.resourceUrl + "/question.json") |
| | | // .then((res) => { |
| | | // let oldAnswer = localStorage.getItem( |
| | | // this.config.activeBook.name + "oldAnswerData" |
| | | // ); |
| | | // if (oldAnswer) { |
| | | // oldAnswer = JSON.parse(oldAnswer); |
| | | // console.log("旧数据", oldAnswer); |
| | | // if (oldAnswer[9]) { |
| | | // for (let index = 0; index < res.data.data.length; index++) { |
| | | // const item = res.data.data[index]; |
| | | // if (item.infoList.length) { |
| | | // for ( |
| | | // let cindex = 0; |
| | | // cindex < item.infoList.length; |
| | | // cindex++ |
| | | // ) { |
| | | // const citem = item.infoList[cindex]; |
| | | // const question = oldAnswer[9].find( |
| | | // (ditem) => ditem.id == citem.id |
| | | // ); |
| | | // if (question) { |
| | | // citem.userAnswer = question.userAnswer; |
| | | // } |
| | | // } |
| | | // } |
| | | // } |
| | | // } |
| | | // } |
| | | // this.questionData = res.data.data; |
| | | // }); |
| | | // }, |
| | | handleCollect(type) { |
| | | if (type == 'img') { |
| | | this.handleCollectResource( |
| | | '722FE833', |
| | | '', |
| | | 'images/0101-1.jpg', |
| | | '图片', |
| | | 'json', |
| | | '图3-15' |
| | | ) |
| | | } else if (type == 'video') { |
| | | this.handleCollectResource( |
| | | 'a28cd862d61b5df2201406b76e9f01b0', |
| | | 'a28cd862d61b5df2201406b76e9f01b0', |
| | | '', |
| | | '视频', |
| | | 'bits', |
| | | '视频:判数函数奇偶性的方法和步骤' |
| | | ) |
| | | // setCollectResource(this.config.activeBook.bookId,[]) |
| | | } |
| | | this.handleChapterData() |
| | | }, |
| | | openMathDiaolog() { |
| | | this.dialogVisible = true |
| | | }, |
| | | openThinkingDialog() { |
| | | this.thinkingDialog1 = true |
| | | this.ballText = |
| | | '(1) 因为“英文大写”这一条件是明确的,所以“英文大写字母”是确定的对象.' |
| | | }, |
| | | openThinkingDialog1() { |
| | | this.thinkingDialog1 = true |
| | | this.ballText = |
| | | '(2) 因为“高个子”这一条件不明确,所以它所指的对象不确定.' |
| | | }, |
| | | |
| | | openThinkingDialog2() { |
| | | this.thinkingDialog1 = true |
| | | this.ballText = |
| | | '(3) 解不等式2x-7<0得 x < 7 2 .任意一个实数,都可以和 7 2比较大小,所以不等式2x-7<0的所有实数解都是确定的对象.' |
| | | }, |
| | | |
| | | openThinkingDialog3() { |
| | | this.thinkingDialog1 = true |
| | | this.ballText = |
| | | '(4) 任意一个正整数,能否被5整除是确定的,所以能被5整除的正整数能组成集合.' |
| | | }, |
| | | openThinkingDialog4() { |
| | | this.thinkingDialog2 = true |
| | | this.sahdi = |
| | | '用描述法表示集合,关键是找出集合中元素所具有的共同特征.根据对共同特征的描述必须能判定任一对象是否属于这个集合.' |
| | | }, |
| | | openThinkingDialog5() { |
| | | console.log(789) |
| | | this.thinkingDialog3 = true |
| | | }, |
| | | openThinkingDialog6() { |
| | | this.thinkingDialog2 = true |
| | | this.sahdi = |
| | | '可先将已知集合在数轴上表示出来,然后观察得出交集,但是一定要注意分析端点的情况.' |
| | | }, |
| | | openThinkingDialog7() { |
| | | this.thinkingDialog2 = true |
| | | this.sahdi = `集合A表示方程x+2y-6=0的解集,集合B表示方程x-4y=0 |
| | | thinkTwo: [ |
| | | "(1) 因为“英文大写”这一条件是明确的,所以“英文大写字母”是确定的对象.", |
| | | "(2) 因为“高个子”这一条件不明确,所以它所指的对象不确定.", |
| | | "(3) 解不等式2x-7<0得 x < 7 2 .任意一个实数,都可以和 7 2比较大小,所以不等式2x-7<0的所有实数解都是确定的对象.", |
| | | "(4) 任意一个正整数,能否被5整除是确定的,所以能被5整除的正整数能组成集合.", |
| | | ], |
| | | thinkThree: [ |
| | | "用描述法表示集合,关键是找出集合中元素所具有的共同特征.根据对共同特征的描述必须能判定任一对象是否属于这个集合.", |
| | | ], |
| | | thinkFour: [ |
| | | "可先将已知集合在数轴上表示出来,然后观察得出交集,但是一定要注意分析端点的情况.", |
| | | ], |
| | | thinkFive: [ |
| | | `集合A表示方程x+2y-6=0的解集,集合B表示方程x-4y=0 |
| | | 的解集,两个解集的交集就是二元一次方程组 |
| | | |
| | | <math display="block"> |
| | |
| | | </mrow> |
| | | </math> |
| | | |
| | | <p>的解集.</p> ` |
| | | }, |
| | | showNext(num) { |
| | | const number = this.thinkOne.findIndex((item, index) => index == num) |
| | | console.log(number) |
| | | this.thinkOne[number].isShow = true |
| | | if (this.thinkIndex <= 3) { |
| | | this.thinkIndex++ |
| | | } |
| | | }, |
| | | showNextChange(num) { |
| | | const number = this.stepOne.findIndex((item, index) => index == num) |
| | | this.stepOne[number].isShow = true |
| | | if (this.stepIndex < 2) { |
| | | this.stepIndex++ |
| | | } |
| | | <p>的解集.</p> `, |
| | | ], |
| | | showIndex: 0, |
| | | }; |
| | | }, |
| | | created() { |
| | | const localData = JSON.parse(localStorage.getItem("chapter001")); |
| | | if (localData) { |
| | | this.chapter001 = { ...Object.assign(this.chapter001, localData) }; |
| | | } |
| | | }, |
| | | methods: { |
| | | async getPath() { |
| | | this.videoPath = await getResourcePath( |
| | | "a28cd862d61b5df2201406b76e9f01b0" |
| | | ); |
| | | console.log(this.videoPath, "0988"); |
| | | }, |
| | | //资源收藏事件 |
| | | handleCollectResource( |
| | |
| | | source, |
| | | resourceName |
| | | ) { |
| | | console.log(this.collectResourceList) |
| | | let list = this.collectResourceList |
| | | console.log(this.collectResourceList); |
| | | let list = this.collectResourceList; |
| | | if (list.findIndex((item) => item.id == id) > -1) { |
| | | list = list.filter((item) => item.id != id) |
| | | list = list.filter((item) => item.id != id); |
| | | } else { |
| | | list.push({ |
| | | id, |
| | |
| | | resourceType, |
| | | source, |
| | | resourceName, |
| | | }) |
| | | }); |
| | | } |
| | | this.collectResourceList = list |
| | | this.collectResourceList = list; |
| | | setCollectResource( |
| | | this.config.activeBook.bookId, |
| | | this.collectResourceList |
| | | ) |
| | | ); |
| | | }, |
| | | // 新增 |
| | | openDialog(queryData) { |
| | | this.thinkData = queryData; |
| | | this.thinkingDialog = !this.thinkingDialog; |
| | | }, |
| | | closeDialog() { |
| | | this.showIndex = 0; |
| | | }, |
| | | changeNext() { |
| | | if (this.showIndex < this.thinkData.length - 1) |
| | | this.showIndex = this.showIndex + 1; |
| | | }, |
| | | }, |
| | | } |
| | | }; |
| | | </script> |
| | | |
| | | <style lang="less" scoped> |
| | |
| | | color: #fff; |
| | | } |
| | | } |
| | | |
| | | .stepDialog {} |
| | | </style> |