民航心理改名字

闫增涛

2024-11-21 cc467a98ee4db210fe41a749546e45ff7240c652

 src/books/mathBook/view/components/chapter004.vue

@@ -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>
@@ -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>
@@ -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>
@@ -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>
@@ -4100,73 +4105,6 @@
              </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"
                  transform="translate(-3327.144 15329)" />
              </svg>
            </span>
          </p>
          <div v-if="isShowAnswer33" >            
            <p>
              <span class="zt-ls"><b>解</b></span>
@@ -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>
@@ -4685,6 +4677,19 @@
              <mn>11</mn>
              <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="">
@@ -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>
@@ -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>
@@ -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>
@@ -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"