整式的乘除100题(共3页).doc

精选优质文档-倾情为你奉上整式的乘除练习题1. 下列各题的计算,正确的是（ ）A. B. C. D. 2. 计算的结果是( )A. B. C. D. 3.4x4y3(-2xy3)= 4.aman=a2m= 5(a3)2= 6a3m-5a5-m= 7x3x4x5= 8.(x4)4= 9.a5a6(a5)2a= 10.(-a)(-a2)+a3 = 11.(x-y)(x+4)= 12.a(a-b)2= 13.(5-x)(x-1)= 14.(3x+7)2=15.(x5)2+x2x3+(-x2)5= 16.21a87a2= 17.x9y3x6y2= 18.28a4b27a3b= 19.(3x2y3+6x2y2)3xy2= 20.(5a2b4-25a3)(-5b4)= 21.