如果把分式 xx+y 中x和y都扩大10倍，那么分式的值_刷题宝

题干

如果把分式

x

x

+

y

中x和y都扩大10倍，那么分式的值（）

A：扩大10倍

B：缩小10倍

C：扩大2倍

D：不变

上一题下一题 0.0难度选择题更新时间:2015-06-24 06:50:41

答案(点此获取答案解析）

D

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