下列运算正确的是( )
A.a3+a3=a6 | B.(a3)2=a6 | C.(ab)2=ab2 | D.2a•3a=5a |
更新时间:2022-01-11 14:40:41
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A.a3+a3=a6 | B.(a3)2=a6 | C.(ab)2=ab2 | D.2a•3a=5a |