整式的乘除易错计算题Word文档下载推荐.doc
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整式的乘除易错计算题@#@1.(2x2y-3xy2)-(6x2y-3xy2)2.(-ax4y3)÷@#@(-ax2y2)·@#@8a2y@#@3.(45a3-a2b+3a)÷@#@(-a)4.(x2y-6xy)·@#@(xy)@#@5.(x-2)(x+2)-(x+1)(x-3)6.(1-3y)(1+3y)(1+9y2)@#@7.8.@#@9.(5+1)(52+1)(54+1)(58+1)+210.(ab+1)2-(ab-1)2@#@