'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 乘法公式：(非常重要，重点中的重点) (1)平方差公式：(a+b)(a-b)=a2-b2反之也成立 平方差公...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 考点二：整式的乘法运算 1.单项式乘单项式：单项式乘单项式，就是把他们的系数、同...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 整式的乘除 考点一：幂的运算(重点重点重点) (1)同底数幂的乘法：同底数幂相乘，底数...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 考点三：整式的加减 1. 去括号法则： (1)括号前面是+号，把括号和它前面的+号去掉，括...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 整式的加减法 考点一：同类项 1. 所含字母相同，并且相同字母的指数也分别相同的项叫...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 考点二：合并同类项 把同类项的系数相加，所得结果作为合并后的系数，字母和字母的...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 多项式 1. 多项式：(1)几个单项式的和叫做多项式，(2)在多项式中，每个单项式叫做多项...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 整式的除法运算 1. 单项式除以单项式：单项式除以单项式，把系数、同底数幂分别相除...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 单项式 1. 像-x、-ab、2r，都是数与字母的积，这样的式子叫做单项式.单独的一个数或者...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 整式 单项式与多项式统称为整式(注意前一章的代数式的分类，观察两者之间的关系) 注...