'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 2022年初中数学一元一次方程专项训练答案 (下载版) 请下载附件: 《2022年初中数学一...
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'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 完全平方公式: 常见书写错误: ①漏下了一次项 ②混淆公式 ③运算结果中符号错误...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 圆柱体的体积公式:体积=底面积高 。如果用S底代表圆柱底面积、r代表底圆半径,h代表...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 球的体积公式:半径是R的球的体积 计算公式是:V=(4/3)R^3(三分之四乘以乘以半径的三次...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 乘法公式(反过来就是因式分解的公式):①(a+b)(a-b)=a2-b2.②(ab)2=a22ab+b2.③(a+b)(a2-ab+b2)=a3...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1指数的扩充 2分式和分式的基本性质 设f,g是一元或多元多项式,g的次数高于零次,则...