计算a3   ·  a2的结果是  A.a6  B.a5  C.aD.a9

计算a3   ·  a2的结果是  
A.a6  B.a5  C.aD.a9

答案

B解析:
本题考查的是整式匠运算。同底数幂相乘底数不变指数相加。故指数为3+2=5,故B正确。

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