化简x^/y-x-y^/y-x

来源：学生作业帮编辑：神马作文网作业帮分类：数学作业时间：2024/11/10 14:32:15

化简x^/y-x-y^/y-x
求详细过程步骤

原式=(x²-y²)/(y-x)
=(x+y)(x-y)/[-(x-y)]
=-(x+y)
=-x-y

{(x,y) |x|+|y| x>y?x:y 化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方化简：（2x-y)²-4(x-y)(x+y) (x+y) X、Y 1.(x-y)(x+y)+(x-y)+(x+y) |x|+|y| x y x+yy x+y xx+y x y 1 ,化简（x-y)(x+y) 1、x(x-y)(x+y)-x(x+y)^2 z/(x-y) × y/(x+y)