testbookLayout.git

			@@ -357,6 +357,21 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer0" >
			<span class="zt-ls"><b>解</b></span>（1）<math display="0">
			<mroot>
			<msup>
			<mn>5</mn>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>3</mn>
			</mroot>
			<mo>=</mo>
			<mn>5</mn>
			</math>；
			</p>
			<p class="p-btn" >
			<span>
			（2）
			@@ -385,6 +400,29 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer1" >
			<span class="zt-ls"><b>解</b></span>
			（2）
			<math display="0">
			<mroot>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<mo>−</mo>
			<mn>5</mn>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>3</mn>
			</mroot>
			<mo>=</mo>
			<mo>−</mo>
			<mn>5</mn>
			</math>；
			</p>
			<p class="p-btn" >
			<span>
			（3）
			@@ -407,6 +445,27 @@
			transform="translate(-3327.144 15329)" />
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer2" >
			<span class="zt-ls"><b>解</b></span>
			（3）
			<math display="0">
			<mroot>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<mn>7</mn>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mn>4</mn>
			</mrow>
			</msup>
			<mn>4</mn>
			</mroot>
			<mo>=</mo>
			<mn>7</mn>
			</math>；
			</p>
			<p class="p-btn" >
			<span>
			@@ -436,74 +495,8 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>（5） 81的4次方根.</span>
			<span class="btn-box" @click="isShowAnswer4 = !isShowAnswer4">
			<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="isShowAnswer0" >
			<span class="zt-ls"><b>解</b></span>（1）<math display="0">
			<mroot>
			<msup>
			<mn>5</mn>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>3</mn>
			</mroot>
			<mo>=</mo>
			<mn>5</mn>
			</math>；
			</p>
			<p v-if="isShowAnswer1" >
			（2）
			<math display="0">
			<mroot>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<mo>−</mo>
			<mn>5</mn>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>3</mn>
			</mroot>
			<mo>=</mo>
			<mo>−</mo>
			<mn>5</mn>
			</math>；
			</p>
			<p v-if="isShowAnswer2" >
			（3）
			<math display="0">
			<mroot>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<mn>7</mn>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mn>4</mn>
			</mrow>
			</msup>
			<mn>4</mn>
			</mroot>
			<mo>=</mo>
			<mn>7</mn>
			</math>；
			</p>
			<p v-if="isShowAnswer3" >
			<span class="zt-ls"><b>解</b></span>
			（4）
			<math display="0">
			<mroot>
			@@ -531,7 +524,18 @@
			<mn>7</mn>
			</math>；
			</p>
			<p class="p-btn" >
			<span>（5） 81的4次方根.</span>
			<span class="btn-box" @click="isShowAnswer4 = !isShowAnswer4">
			<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="isShowAnswer4" >
			<span class="zt-ls"><b>解</b></span>
			（5）因为（±3）<sup>4</sup>=81，所以81的4次方根是±3，即<math display="0">
			<mo>±</mo>
			<mroot>
			@@ -575,6 +579,30 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer5" >
			<span class="zt-ls"><b>解</b></span>（1）
			<math display="0">
			<mroot>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<mn>3</mn>
			<mo>−</mo>
			<mi>a</mi>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>3</mn>
			</mroot>
			<mo>=</mo>
			<mn>3</mn>
			<mo>−</mo>
			<mi>a</mi>
			</math>；
			</p>
			<p class="p-btn" >
			<span>
			（2）
			@@ -606,31 +634,8 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer5" >
			<span class="zt-ls"><b>解</b></span>（1）
			<math display="0">
			<mroot>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<mn>3</mn>
			<mo>−</mo>
			<mi>a</mi>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>3</mn>
			</mroot>
			<mo>=</mo>
			<mn>3</mn>
			<mo>−</mo>
			<mi>a</mi>
			</math>；
			</p>
			<p v-if="isShowAnswer6" >
			<span class="zt-ls"><b>解</b></span>
			（2）
			<math display="0">
			<mroot>
			@@ -980,55 +985,6 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>
			（2）
			<math display="0">
			<mroot>
			<msup>
			<mi>x</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mn>6</mn>
			</mroot>
			</math>；
			</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>
			<p class="p-btn" >
			<span>
			（3）
			<math display="0">
			<mfrac>
			<mn>1</mn>
			<mroot>
			<msup>
			<mn>5</mn>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>4</mn>
			</mroot>
			</mfrac>
			</math>.
			</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 v-if="isShowAnswer7" >
			<span class="zt-ls"><b>解</b></span>（1）
			<math display="0">
			@@ -1053,8 +1009,31 @@
			</msup>
			</math>；
			</p>
			<p class="p-btn" >
			<span>
			（2）
			<math display="0">
			<mroot>
			<msup>
			<mi>x</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mn>6</mn>
			</mroot>
			</math>；
			</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>
			<p v-if="isShowAnswer8" >
			（2）
			<span class="zt-ls"><b>解</b></span>（2）
			<math display="0">
			<mroot>
			<msup>
			@@ -1087,8 +1066,34 @@
			</msup>
			</math>）
			</p>
			<p class="p-btn" >
			<span>
			（3）
			<math display="0">
			<mfrac>
			<mn>1</mn>
			<mroot>
			<msup>
			<mn>5</mn>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<mn>4</mn>
			</mroot>
			</mfrac>
			</math>.
			</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 v-if="isShowAnswer9" >
			（3）
			<span class="zt-ls"><b>解</b></span>（3）
			<math display="0">
			<mfrac>
			<mn>1</mn>
			@@ -1154,6 +1159,46 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer10" >
			<span class="zt-ls"><b>解</b></span>（1）<math display="0">
			<msup>
			<mn>27</mn>
			<mrow>
			<mo>−</mo>
			<mfrac>
			<mn>1</mn>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo>=</mo>
			<mfrac>
			<mn>1</mn>
			<msup>
			<mn>27</mn>
			<mrow>
			<mfrac>
			<mn>1</mn>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			</mfrac>
			<mo>=</mo>
			<mfrac>
			<mn>1</mn>
			<mroot>
			<mn>27</mn>
			<mn>3</mn>
			</mroot>
			</mfrac>
			<mo>=</mo>
			<mfrac>
			<mn>1</mn>
			<mn>3</mn>
			</mfrac>
			</math>；
			</p>
			<p class="p-btn" >
			<span>
			（2）
			@@ -1196,48 +1241,8 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer10" >
			<span class="zt-ls"><b>解</b></span>（1）<math display="0">
			<msup>
			<mn>27</mn>
			<mrow>
			<mo>−</mo>
			<mfrac>
			<mn>1</mn>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo>=</mo>
			<mfrac>
			<mn>1</mn>
			<msup>
			<mn>27</mn>
			<mrow>
			<mfrac>
			<mn>1</mn>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			</mfrac>
			<mo>=</mo>
			<mfrac>
			<mn>1</mn>
			<mroot>
			<mn>27</mn>
			<mn>3</mn>
			</mroot>
			</mfrac>
			<mo>=</mo>
			<mfrac>
			<mn>1</mn>
			<mn>3</mn>
			</mfrac>
			</math>；
			</p>
			<p v-if="isShowAnswer11" >
			（2）<math display="0">
			<span class="zt-ls"><b>解</b></span>（2）<math display="0">
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			@@ -1339,7 +1344,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[124]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[124]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -1536,92 +1541,6 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>
			（2）
			<math display="0">
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<msup>
			<mi>a</mi>
			<mrow>
			<mo>−</mo>
			<mn>3</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mn>5</mn>
			</mrow>
			</msup>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mfrac>
			<mn>1</mn>
			<mn>5</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo>⋅</mo>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<msup>
			<mi>a</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mfrac>
			<mn>1</mn>
			<mn>5</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo>÷</mo>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<msup>
			<mi>a</mi>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mfrac>
			<mn>5</mn>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mfrac>
			<mn>3</mn>
			<mn>5</mn>
			</mfrac>
			</mrow>
			</msup>
			</math>.
			</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="isShowAnswer12" >
			<p>
			<span class="zt-ls"><b>解</b></span>
			@@ -1785,11 +1704,95 @@
			</math>
			</p>
			</div>
			<p class="p-btn" >
			<span>
			（2）
			<math display="0">
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<msup>
			<mi>a</mi>
			<mrow>
			<mo>−</mo>
			<mn>3</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mn>5</mn>
			</mrow>
			</msup>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mfrac>
			<mn>1</mn>
			<mn>5</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo>⋅</mo>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<msup>
			<mi>a</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mfrac>
			<mn>1</mn>
			<mn>5</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo>÷</mo>
			<msup>
			<mrow data-mjx-texclass="INNER">
			<mo data-mjx-texclass="OPEN">(</mo>
			<msup>
			<mi>a</mi>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mfrac>
			<mn>5</mn>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			<mo data-mjx-texclass="CLOSE">)</mo>
			</mrow>
			<mrow>
			<mfrac>
			<mn>3</mn>
			<mn>5</mn>
			</mfrac>
			</mrow>
			</msup>
			</math>.
			</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>
			<p v-if="isShowAnswer13" class="left1">
			<math display="">
			<mtable columnalign="left" columnspacing="1em" rowspacing="4pt">


			<mtr>
			<mtd>
			<mtext>（2）</mtext>
			@@ -2034,67 +2037,6 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>
			（2）
			<math display="0">
			<msqrt>
			<msup>
			<mi>a</mi>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mo>−</mo>
			<mn>3</mn>
			</mrow>
			</msup>
			</msqrt>
			<mo>·</mo>
			<mroot>
			<mrow>
			<msup>
			<mi>a</mi>
			<mrow>
			<mo>−</mo>
			<mn>2</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			</mrow>
			<mn>3</mn>
			</mroot>
			<mo>·</mo>
			<mroot>
			<mrow>
			<mi>a</mi>
			<msup>
			<mi>b</mi>
			<mrow>
			<mn>5</mn>
			</mrow>
			</msup>
			</mrow>
			<mn>6</mn>
			</mroot>
			</math>.
			</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">
			<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>解</b></span>
			@@ -2242,7 +2184,67 @@
			</mtable>
			</math>
			</div>

			<p class="p-btn" >
			<span>
			（2）
			<math display="0">
			<msqrt>
			<msup>
			<mi>a</mi>
			<mrow>
			<mn>3</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mo>−</mo>
			<mn>3</mn>
			</mrow>
			</msup>
			</msqrt>
			<mo>·</mo>
			<mroot>
			<mrow>
			<msup>
			<mi>a</mi>
			<mrow>
			<mo>−</mo>
			<mn>2</mn>
			</mrow>
			</msup>
			<msup>
			<mi>b</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			</mrow>
			<mn>3</mn>
			</mroot>
			<mo>·</mo>
			<mroot>
			<mrow>
			<mi>a</mi>
			<msup>
			<mi>b</mi>
			<mrow>
			<mn>5</mn>
			</mrow>
			</msup>
			</mrow>
			<mn>6</mn>
			</mroot>
			</math>.
			</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">
			<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>
			<math v-if="isShowAnswer15" display="">
			<mtable columnalign="left" columnspacing="1em" rowspacing="4pt">
			<mtr>
			@@ -2633,7 +2635,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[127]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[127]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -2656,7 +2658,7 @@
			<div class="padding-116">
			<h3 id="c036">习题4.1<span class="fontsz2">＞＞＞</span></h3>
			<div class="bj">
			<examinations :cardList="questionData[128]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[128]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			<h2 id="b023">
			@@ -2849,6 +2851,10 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer17" >
			<span class="zt-ls"><b>解</b></span>（1）
			因为<i>f</i>（<i>x</i>）=<i>a<sup>x</sup></i>（<i>a</i>＞0，且<i>a</i>≠1），且<i>f</i>（3）=125，所以<i>a</i><sup>3</sup>=125，解得<i>a</i>=5，于是<i>f</i>（<i>x</i>）=5<i><sup>x</sup></i>.
			</p>
			<p class="p-btn" >
			<span>
			（2）求<i>f</i>（0），<i>f</i>（2），<i>f</i>（-2），<math display="0">
			@@ -2871,12 +2877,8 @@
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer17" >
			<span class="zt-ls"><b>解</b></span>（1）
			因为<i>f</i>（<i>x</i>）=<i>a<sup>x</sup></i>（<i>a</i>＞0，且<i>a</i>≠1），且<i>f</i>（3）=125，所以<i>a</i><sup>3</sup>=125，解得<i>a</i>=5，于是<i>f</i>（<i>x</i>）=5<i><sup>x</sup></i>.
			</p>
			<p v-if="isShowAnswer18">
			（2）
			<span class="zt-ls"><b>解</b></span>（2）
			<i>f</i>（0）=5<sup>0</sup>=1，<i>f</i>（2）=5<sup>2</sup>=25，<math display="0">
			<mi>f</mi>
			<mo>−</mo>
			@@ -2956,7 +2958,7 @@
			<img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" />
			</p>
			</div>
			<examinations :cardList="questionData[130]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[130]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			<div class="bk">
			@@ -3213,7 +3215,7 @@
			<img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" />
			</p>
			</div>
			<examinations :cardList="questionData[131]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[131]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -3241,6 +3243,15 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer20" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）因为4＞1 ，所以<i>y</i>=4<i><sup>x</sup></i>在（-∞，+∞）内是增函数（如图4-5所示）.
			</p>
			<p class="center">
			<img class="img-f" alt="" src="../../assets/images/0137-7.jpg" />
			</p>
			<p class="img">图4-5</p>
			</div>
			<p class="p-btn" >
			<span>（2） <i>y</i>=3<i><sup>-x</sup></i>；</span>
			<span class="btn-box" @click="isShowAnswer21 = !isShowAnswer21">
			@@ -3251,42 +3262,9 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>
			（3）
			<math display="0">
			<mi>y</mi>
			<mo>=</mo>
			<msup>
			<mn>2</mn>
			<mrow>
			<mfrac>
			<mi>x</mi>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			</math>.
			</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="isShowAnswer20" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）因为4＞1 ，所以<i>y</i>=4<i><sup>x</sup></i>在（-∞，+∞）内是增函数（如图4-5所示）.
			</p>
			<p class="center">
			<img class="img-f" alt="" src="../../assets/images/0137-7.jpg" />
			</p>
			<p class="img">图4-5</p>
			</div>
			<div v-if="isShowAnswer21" >
			<p>
			<span class="zt-ls"><b>解</b></span>
			（2）
			<math display="0">
			<mi>y</mi>
			@@ -3345,8 +3323,34 @@
			</p>
			<p class="img">图4-6</p>
			</div>
			<p class="p-btn" >
			<span>
			（3）
			<math display="0">
			<mi>y</mi>
			<mo>=</mo>
			<msup>
			<mn>2</mn>
			<mrow>
			<mfrac>
			<mi>x</mi>
			<mn>3</mn>
			</mfrac>
			</mrow>
			</msup>
			</math>.
			</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>解</b></span>
			（3）<math display="0">
			<mi>y</mi>
			<mo>=</mo>
			@@ -3440,6 +3444,12 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer23" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）因为<i>y</i>=1.8<i><sup>x</sup></i>是<b>R</b>上的增函数，且2.5＜3，所以
			</p>
			<p class="center">1.8<sup>2.5</sup>＜1.8<sup>3</sup>.</p>
			</div>
			<p class="p-btn" >
			<span>
			（2）
			@@ -3453,15 +3463,9 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer23" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）因为<i>y</i>=1.8<i><sup>x</sup></i>是<b>R</b>上的增函数，且2.5＜3，所以
			</p>
			<p class="center">1.8<sup>2.5</sup>＜1.8<sup>3</sup>.</p>
			</div>
			<div v-if="isShowAnswer24" >
			<p>
			（2）因为<i>y</i>=0.9<i><sup>x</sup></i>是<b>R</b>上的减函数，且-0.2＞-0.3，所以
			<span class="zt-ls"><b>解</b></span>（2）因为<i>y</i>=0.9<i><sup>x</sup></i>是<b>R</b>上的减函数，且-0.2＞-0.3，所以
			</p>
			<p class="center">0.9<sup>-0.2</sup>＜0.9<sup>-0.3</sup>.</p>
			</div>
			@@ -3513,19 +3517,6 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>
			（2）
			若<i>f</i>（m）≥9，求<i>m</i>的取值范围.
			</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="isShowAnswer26" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）图像过点（3，27），即<i>x</i>=3时，<i>f</i>（3）=27.
			@@ -3558,8 +3549,22 @@
			</math>.
			</p>
			</div>
			<p class="p-btn" >
			<span>
			（2）
			若<i>f</i>（m）≥9，求<i>m</i>的取值范围.
			</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>解</b></span>
			（2）
			因为<i>f</i>（<i>m</i>）=3<i><sup>m</sup></i>，所以得到3<i><sup>m</sup></i>≥9，即3<i><sup>m</sup></i>≥3<sup>2</sup>.
			</p>
			@@ -3572,7 +3577,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[134]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[134]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -3592,7 +3597,7 @@
			<div class="padding-116">
			<h3 id="c039">习题4.2<span class="fontsz2">＞＞＞</span></h3>
			<div class="bj">
			<examinations :cardList="questionData[135]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[135]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -3691,7 +3696,7 @@
			<img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" />
			</p>
			</div>
			<examinations :cardList="questionData[137]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[137]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			<p class="p-btn" >
			@@ -3957,7 +3962,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[138]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[138]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			<h3 id="c041">
			@@ -4072,7 +4077,7 @@
			<img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" />
			</p>
			</div>
			<examinations :cardList="questionData[139]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[139]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			<p class="p-btn" >
			@@ -4093,73 +4098,6 @@
			（1） log<i><sub>a</sub></i>（<i>x</i><sup>2</sup><i>yz</i><sup>3</sup>）；
			</span>
			<span class="btn-box" @click="isShowAnswer33 = !isShowAnswer33">
			<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="p-btn" >
			<span>
			（2）<math display="0">
			<msub>
			<mi>log</mi>
			<mrow>
			<mi>a</mi>
			</mrow>
			</msub>
			<mo data-mjx-texclass="NONE">⁡</mo>
			<mfrac>
			<msup>
			<mi>x</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mrow>
			<mi>y</mi>
			<mi>z</mi>
			</mrow>
			</mfrac>
			</math>；
			</span>
			<span class="btn-box" @click="isShowAnswer34 = !isShowAnswer34">
			<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="p-btn" >
			<span>
			（3）
			<math display="0">
			<msub>
			<mi>log</mi>
			<mrow>
			<mi>a</mi>
			</mrow>
			</msub>
			<mo data-mjx-texclass="NONE">⁡</mo>
			<mfrac>
			<msqrt>
			<mi>x</mi>
			</msqrt>
			<mrow>
			<msup>
			<mi>y</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mi>z</mi>
			</mrow>
			</mfrac>
			</math>.
			</span>
			<span class="btn-box" @click="isShowAnswer35 = !isShowAnswer35">
			<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"
			@@ -4268,6 +4206,38 @@
			</math>
			</p>
			</div>
			<p class="p-btn" >
			<span>
			（2）<math display="0">
			<msub>
			<mi>log</mi>
			<mrow>
			<mi>a</mi>
			</mrow>
			</msub>
			<mo data-mjx-texclass="NONE">⁡</mo>
			<mfrac>
			<msup>
			<mi>x</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mrow>
			<mi>y</mi>
			<mi>z</mi>
			</mrow>
			</mfrac>
			</math>；
			</span>
			<span class="btn-box" @click="isShowAnswer34 = !isShowAnswer34">
			<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="left1" v-if="isShowAnswer34">
			<math display="">
			<mo stretchy="false">（2）</mo>
			@@ -4378,6 +4348,41 @@
			<mi>z</mi>
			<mo>;</mo>
			</math>
			</p>
			<p class="p-btn" >
			<span>
			（3）
			<math display="0">
			<msub>
			<mi>log</mi>
			<mrow>
			<mi>a</mi>
			</mrow>
			</msub>
			<mo data-mjx-texclass="NONE">⁡</mo>
			<mfrac>
			<msqrt>
			<mi>x</mi>
			</msqrt>
			<mrow>
			<msup>
			<mi>y</mi>
			<mrow>
			<mn>2</mn>
			</mrow>
			</msup>
			<mi>z</mi>
			</mrow>
			</mfrac>
			</math>.
			</span>
			<span class="btn-box" @click="isShowAnswer35 = !isShowAnswer35">
			<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="left1" v-if="isShowAnswer35" >
			<math display="">
			@@ -4495,31 +4500,6 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>
			（2） log <sub>3</sub>（9<sup>3</sup>×3<sup>5</sup>）；
			</span>
			<span class="btn-box" @click="isShowAnswer37 = !isShowAnswer37">
			<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="p-btn" >
			<span>
			（3） log
			<sub>7</sub>56-log<sub>7</sub>8.
			</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">
			<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="isShowAnswer36" >
			<p>
			<span class="zt-ls"><b>解</b></span>
			@@ -4594,6 +4574,18 @@
			</math>
			</p>
			</div>
			<p class="p-btn" >
			<span>
			（2） log <sub>3</sub>（9<sup>3</sup>×3<sup>5</sup>）；
			</span>
			<span class="btn-box" @click="isShowAnswer37 = !isShowAnswer37">
			<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="isShowAnswer37" class="left1">
			<math display="">
			<mo stretchy="false">（2）</mo>
			@@ -4686,6 +4678,19 @@
			<mo>;</mo>
			</math>
			</p>
			<p class="p-btn" >
			<span>
			（3） log
			<sub>7</sub>56-log<sub>7</sub>8.
			</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">
			<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="isShowAnswer38" class="left1">
			<math display="">
			<mo stretchy="false">（3）</mo>
			@@ -4755,7 +4760,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[140]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" v-if="questionData">
			<examinations :cardList="questionData[140]" sourceType="json" inputBc="#d3edfa" v-if="questionData">
			</examinations>
			</div>
			<h3 id="c042">
			@@ -5508,7 +5513,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[141]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[141]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -5528,7 +5533,7 @@
			<div class="padding-116">
			<h3 id="c043">习题4.3<span class="fontsz2">＞＞＞</span></h3>
			<div class="bj">
			<examinations :cardList="questionData[142]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[142]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			<h2 id="b025">
			@@ -5713,6 +5718,14 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer43" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）要使函数有意义，必须满足<i>x</i>-3＞0，解得<i>x</i>＞3.
			</p>
			<p>
			所以，<i>y</i>=log <sub>0.5</sub>（<i>x</i>-3）的定义域是（3，+∞）.
			</p>
			</div>
			<p class="p-btn" >
			<span>
			（2）
			@@ -5726,17 +5739,9 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer43" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）要使函数有意义，必须满足<i>x</i>-3＞0，解得<i>x</i>＞3.
			</p>
			<p>
			所以，<i>y</i>=log <sub>0.5</sub>（<i>x</i>-3）的定义域是（3，+∞）.
			</p>
			</div>
			<div v-if="isShowAnswer44" >
			<p>
			（2）要使函数有意义，必须满足4-<i>x</i><sup>2</sup>＞0，解得
			<span class="zt-ls"><b>解</b></span>（2）要使函数有意义，必须满足4-<i>x</i><sup>2</sup>＞0，解得
			-2＜<i>x</i>＜2.
			</p>
			<p>
			@@ -5763,7 +5768,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[144]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" v-if="questionData">
			<examinations :cardList="questionData[144]" sourceType="json" inputBc="#d3edfa" v-if="questionData">
			</examinations>
			</div>
			<h3 id="c045">
			@@ -5936,7 +5941,7 @@
			<img class="img-gn2" alt="" src="../../assets/images/hzjl.jpg" />
			</p>
			</div>
			<examinations :cardList="questionData[146]" :hideCollect="true" sourceType="json"
			<examinations :cardList="questionData[146]" sourceType="json"
			v-if="questionData" ></examinations>
			</div>
			<p class="p-btn" >
			@@ -5963,6 +5968,17 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer45" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）
			因为底数2＞1，所以<i>y</i>=log<sub>2</sub><i>x</i>在区间（0，+∞）上是增函数，函数图像如图4-10所示.
			</p>
			<p>又因为5.3＞4.7，所以log<sub>2</sub>5.3＞log<sub>2</sub>4.7.</p>
			<p class="center">
			<img class="img-f" alt="" src="../../assets/images/0151-1.jpg" />
			</p>
			<p class="img">图4-10</p>
			</div>
			<p class="p-btn" >
			<span>
			（2） log
			@@ -5976,6 +5992,16 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer46" >
			<p>
			<span class="zt-ls"><b>解</b></span>（2）因为底数0＜0.2＜1，所以<i>y</i>=log <sub>0.2</sub><i>x</i>在区间（0，+∞）上是减函数，函数图像如图4-11所示.
			</p>
			<p>又因为7＜9，所以log <sub>0.2</sub>7＞log <sub>0.2</sub>9.</p>
			<p class="center">
			<img class="img-f" alt="" src="../../assets/images/0151-2.jpg" />
			</p>
			<p class="img">图4-11</p>
			</div>
			<p class="p-btn" >
			<span>
			（3） log<sub>5</sub>4与1；
			@@ -5987,6 +6013,9 @@
			transform="translate(-3327.144 15329)" />
			</svg>
			</span>
			</p>
			<p v-if="isShowAnswer47">
			<span class="zt-ls"><b>解</b></span> （3） log<sub>5</sub>4＜log<sub>5</sub>5=1，即log<sub>5</sub>4＜1.
			</p>
			<p class="p-btn" >
			<span>
			@@ -6001,32 +6030,8 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer45" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）
			因为底数2＞1，所以<i>y</i>=log<sub>2</sub><i>x</i>在区间（0，+∞）上是增函数，函数图像如图4-10所示.
			</p>
			<p>又因为5.3＞4.7，所以log<sub>2</sub>5.3＞log<sub>2</sub>4.7.</p>
			<p class="center">
			<img class="img-f" alt="" src="../../assets/images/0151-1.jpg" />
			</p>
			<p class="img">图4-10</p>
			</div>
			<div v-if="isShowAnswer46" >
			<p>
			（2）因为底数0＜0.2＜1，所以<i>y</i>=log <sub>0.2</sub><i>x</i>在区间（0，+∞）上是减函数，函数图像如图4-11所示.
			</p>
			<p>又因为7＜9，所以log <sub>0.2</sub>7＞log <sub>0.2</sub>9.</p>
			<p class="center">
			<img class="img-f" alt="" src="../../assets/images/0151-2.jpg" />
			</p>
			<p class="img">图4-11</p>
			</div>
			<p v-if="isShowAnswer47">
			（3） log<sub>5</sub>4＜log<sub>5</sub>5=1，即log<sub>5</sub>4＜1.
			</p>
			<p v-if="isShowAnswer48" >
			（4）因为 log<sub>3</sub>4＞log<sub>3</sub>1=0，log
			<span class="zt-ls"><b>解</b></span>（4）因为 log<sub>3</sub>4＞log<sub>3</sub>1=0，log
			<sub>0.3</sub>4＜log <sub>0.3</sub>1=0，所以 log<sub>3</sub>4＞log
			<sub>0.3</sub>4.
			</p>
			@@ -6057,6 +6062,14 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer49" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）因为<i>y</i>=log
			4<i>x</i>在（0，+∞）上是增函数，所以<i>x</i>＜5.
			</p>
			<p>又因为<i>x</i>＞0，所以0＜<i>x</i>＜5.</p>
			<p>所以不等式的解集为（0，5）.</p>
			</div>
			<p class="p-btn" >
			<span>
			（2）
			@@ -6084,16 +6097,9 @@
			</svg>
			</span>
			</p>
			<div v-if="isShowAnswer49" >
			<p>
			<span class="zt-ls"><b>解</b></span>（1）因为<i>y</i>=log
			4<i>x</i>在（0，+∞）上是增函数，所以<i>x</i>＜5.
			</p>
			<p>又因为<i>x</i>＞0，所以0＜<i>x</i>＜5.</p>
			<p>所以不等式的解集为（0，5）.</p>
			</div>
			<div v-if="isShowAnswer50" >
			<p>
			<span class="zt-ls"><b>解</b></span>
			（2）
			<math display="0">
			<msub>
			@@ -6193,7 +6199,7 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[147]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[147]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -6213,7 +6219,7 @@
			<div class="padding-116">
			<h3 id="c046">习题4.4<span class="fontsz2">＞＞＞</span></h3>
			<div class="bj">
			<examinations :cardList="questionData[148]" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[148]" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			<h2 id="b026">
			@@ -6332,19 +6338,6 @@
			</svg>
			</span>
			</p>
			<p class="p-btn" >
			<span>
			（2）当测绘人员在登顶过程中测得其所在位置的海拔高程为8 844.43
			m时，大气压强为多少？
			</span>
			<span class="btn-box" @click="isShowAnswer54 = !isShowAnswer54">
			<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="isShowAnswer53" >
			<p>
			<span class="zt-ls"><b>解</b></span> 海平面的海拔高程为0 m.将
			@@ -6380,6 +6373,19 @@
			827.090 m.
			</p>
			</div>
			<p class="p-btn" >
			<span>
			（2）当测绘人员在登顶过程中测得其所在位置的海拔高程为8 844.43
			m时，大气压强为多少？
			</span>
			<span class="btn-box" @click="isShowAnswer54 = !isShowAnswer54">
			<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="isShowAnswer54" >
			<p>（2）把<i>y</i>=8 844.43代入①式，</p>
			<p class="center">8 844.43=-8 004.203 ln <i>x</i>+92 255.180，</p>
			@@ -6420,12 +6426,12 @@
			<img class="img-gn" alt="" src="../../assets/images/stlx.jpg" />
			</p>
			<div class="bj">
			<examinations :cardList="questionData[152] ? questionData[152][1] : []" :hideCollect="true" sourceType="json" inputBc="#d3edfa"
			<examinations :cardList="questionData[152] ? questionData[152][1] : []" sourceType="json" inputBc="#d3edfa"
			v-if="questionData"></examinations>
			</div>
			<h3 id="c047">习题4.5<span class="fontsz2">＞＞＞</span></h3>
			<div class="bj">
			<examinations :cardList="questionData[152] ? questionData[152][2] : []" :hideCollect="true" sourceType="json" v-if="questionData">
			<examinations :cardList="questionData[152] ? questionData[152][2] : []" sourceType="json" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -6803,7 +6809,7 @@
			单元检测<span class="fontsz1">＞＞＞＞＞＞＞＞</span>
			</h2>
			<div class="bj">
			<examinations :cardList="questionData[157]" :hideCollect="true" sourceType="json" inputBc="#d3edfa" v-if="questionData">
			<examinations :cardList="questionData[157]" sourceType="json" inputBc="#d3edfa" v-if="questionData">
			</examinations>
			</div>
			</div>
			@@ -6813,7 +6819,7 @@
			<div class="page-box hidePage" page="158"></div>
			<!-- 152 -->
			<div class="page-box hidePage" page="159"></div>
			<!-- 解题思路弹窗 -->
			<!-- 解题思路弹窗 -->
			<el-dialog :visible.sync="thinkingDialog" width="40%" :append-to-body="true" :show-close="false"
			@close="closeDialog" class="thinkDialog">
			<div slot="title" class="think-header"