通分（x+2)/(x^2-2x)与(x-1)/(x^2-4x+4)

通分x/(2+2x)与1/(x^2-x) 通分x+4/x*x+4x与x-5/x(x-5)-2(x-5) 通分3/2x²与2/x²-x 通分1/x^2-4与x/4-2x 通分（x+2)/(x^2-2x)与(x-1)/(x^2-4x+4) 3x/(x-1)(x-2)与3+x/(x-1)(2-x)分式通分 分式的通分：2xy/(x+y)^2与x/(x^2+y^2)分式通分, 2xy/(x+y)(x+y)与x/(x+y)(x-y)怎么通分 y/a(x+2) 与 2/b(x-2)通分 通分x/3y与3x/2y^2 通分x/3y与3x/2y^2 通分a/x与2a+n/x+m 通分：x+1/x-2; x-2/x+1 x/2(x+1),1/x^2-x通分 x/2(x+1)和1、x^2-x通分 x-2分之一,x-2怎么通分 通分 x/2(x+1),1/x²-x 通分：x/1,x/x+1,2/3x