试题与答案

下列计算正确的是 [ ] A.(a4)3=a7 B.3(a﹣2b)=3a﹣2b

题型:选择题

题目:

下列计算正确的是 [ ]

A.(a43=a7

B.3(a﹣2b)=3a﹣2b

C.a4+a4=a8

D.a5÷a3=a2

答案:

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参考答案:A

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