,01,02,03,04,目录导航,课 前 预 习,3m,3,2,2a,D,m2n,(ab)2,2(a1)(a1),考 点 梳 理,是,指数和,次数最高的项,相加,an,0,amn,amn,anbn,amn,a2b2,a22abb2,m(abc),(ab)(ab),(ab)2,课 堂 精 讲,0.8a,A,5,3,三,C,C,2x7,a3,x(x1),y(x1)(x1),3(x1)2,4,广 东 中 考,12,A,1,B,B,B,C,2x2,(x1)2,a(a1),(m2)(m2),(x3)(x3),2x(x5),D,3(ab)(ab),b(ab)2,