通分x-y/2x+2y与xy/(x+y)2

2xy/(x+y)(x+y)与x/(x+y)(x-y)怎么通分 通分x-y/2x+2y与xy/(x+y）的2次方 通分x-y/2x+2y与xy/(x+y)2 一道数学通分题x-y/2x+2y与xy/(x+y)² 2x+2y/x-y与（x²+y²）/xy通分 2x+2y/x-y与(x+y)²/xy 怎么通分 通分 2X+2Y分之X-Y与(X+Y)²分之XY 通分 x-y/2x+2y 与 xy/(x+y)² 的 (x-y)/(2x+2y)与(xy)/（x+y）²通分要过程 有谁知道数学通分X-Y/2X+2Y与XY/(X+Y)怎么做? 一道数学通分题2xy/(x+y)²与x/x²-y² 2xy/(x+y)的平方与x/x的平方-y的平方.通分.