一道数学通分题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 一道数学通分题2xy/(x+y)²与x/x²-y² 有谁知道数学通分X-Y/2X+2Y与XY/(X+Y)怎么做? 2xy/(x+y)(x+y)与x/(x+y)(x-y)怎么通分 分式的通分：2xy/(x+y)^2与x/(x^2+y^2)分式通分, 八年级上册数学133页7题通分 2x+2y分之x-y 与（x+y)²分之xy 通分x-y/2x+2y与xy/(x+y）的2次方 通分x-y/2x+2y与xy/(x+y)2 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 2x+2y/x-y与(x+y)²/xy 怎么通分 2x+2y/x-y与（x²+y²）/xy通分 通分x-y/3x+3y与2xy/(x+y)^2 x/xy-y²与y/x²-xy 通分 数学分式通分与约分约分 (x²+xy)/(x+y)² x²-y²/（x²-y²）通分2xy/(x+y)²与x/x²-y² x-y/2x+2y与xy/(x+y)² 2xy/(x+y)^2与x/x^2-y^2分式通分急急急急! 2xy/(x+y)^2与x/(x^2+y^2)分式通分