问题描述:
(x+y)/(根号下x+根号下y)+2xy/(x根号下y+y根号下x)=______.
(x+y)/(根号下x+根号下y)+2xy/(x根号下y+y根号下x)=______.
(x+y)/(根号下x+根号下y)+2xy/(x根号下y+y根号下x)=______.
问题解答:
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问题描述:
问题解答:
我来补答