（axay）10=a20（ a＞0，且 a≠0），则 x、y 的关系是_刷题宝

题干

（a^xa^y）¹⁰=a²⁰（ a＞0，且 a≠0），则 x、y 的关系是（）

A：xy=2

B：x+y=10

C：x+y=2

D：x= $\frac{y}{10}$

上一题下一题 0.0难度选择题更新时间:2014-06-09 07:02:14

答案(点此获取答案解析）

C

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