(x-y/x+y)^2÷(y-x/x^2+2xy+y^2)^2
问题描述:
(x-y/x+y)^2÷(y-x/x^2+2xy+y^2)^2
答
应该是(〖(x-y)/(x+y))〗^2÷((y-x)/(x^2+2xy+y^2 ))^2吧,如果是的话答案就是(x+y)^2啦
(x-y/x+y)^2÷(y-x/x^2+2xy+y^2)^2
应该是(〖(x-y)/(x+y))〗^2÷((y-x)/(x^2+2xy+y^2 ))^2吧,如果是的话答案就是(x+y)^2啦