长方体
面积
<span class="equation-text" contenteditable="false" data-index="0" data-equation="S=2(ab+ac+bc);a,b,c为长方体的长、宽、高"><span></span><span></span></span>
棱长
<span class="equation-text" contenteditable="false" data-index="0" data-equation="l=4(a+b+c);其中a,b,c为长方体的长、宽、高"><span></span><span></span></span>
体积
<span class="equation-text" contenteditable="false" data-index="0" data-equation="V=abc;其中a,b,c为长方体的长、宽、高"><span></span><span></span></span>
对角线
<span class="equation-text" contenteditable="false" data-index="0" data-equation="d=\sqrt{a^2+b^2+c^2};对角线为外接球的直径"><span></span><span></span></span>
正方体
面积
<span class="equation-text" contenteditable="false" data-index="0" data-equation="S=6a^2"><span></span><span></span></span>
棱长
<span class="equation-text" contenteditable="false" data-index="0" data-equation="l=12a"><span></span><span></span></span>
体积
<span class="equation-text" contenteditable="false" data-index="0" data-equation="V=a^3"><span></span><span></span></span>
对角线
<span class="equation-text" contenteditable="false" data-index="0" data-equation="d=\sqrt{3}a;对角线为外接球的直径"><span></span><span></span></span>
