下列运算结果正确的是(   ) A.x6÷x2=x3     B.(-x)-1=    C. (2x3)2=4x6

下列运算结果正确的是(   )

A.x6÷x2=x3     B.(-x)-1=    C. (2x3)2=4x6    D.-2a2·a3=-2a6

 

答案

C

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