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（江西专用）2019中考数学总复习第一部分教材同步复习第一章数与式第3讲代数式、整式与因式分解权威预测.doc

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1第一部分 第一章 第 3讲1下列计算正确的是( A )A6 a5(2 a3)3 a2 B a3 a2 aC( a3)2 a6 D( a2 b)2 a24 b22分解因式：2 m38 m2 m(m2)( m2).

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