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题型:计算题 题类:常考题 难易度:普通
上海市浦东新区第四教育署2019-2020学年七年级下学期数学期末试卷
(1)(﹣)﹣2+(π﹣3.14)0+(﹣2)2
(2)a•a3•(﹣a2)3 .
= ,验证 = = = ;
= ,验证: = = = ;
= ,验证: = = = .
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