下列运算正确的是{"A":"2a\uff0b3b\uff1d5a","B":"3x2y\uff0d2x2y\uff1d1","C":"(2 a2)3\uff1d6a6 ","D":"5x3\u00f7x2\uff1d_刷题宝

题干

下列运算正确的是

A：2a＋3b＝5a

B：3x²y－2x²y＝1

C：(2 a²)³＝6a⁶

D：5x³÷x²＝5x

上一题下一题 0.0难度选择题更新时间:2019-06-24 04:21:15

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D

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