计算:[x-y+4xy/(x-y)] * [x+y-4xy/(x+y)]

计算下面式子{x-y+[(4xy)/(x-y)]}{x-y-[(4xy)/(x-y)]} 化简计算:[x-y+4xy/(x-y)] * [x+y-4xy/(x+y)] 计算:[x-y+4xy/(x-y)] * [x+y-4xy/(x+y)] 计算：（x-y+4xy/x-y)(x+y-4xy/x+y) (x-y+(4xy/x-y))(x+y-(4xy/x+y)) 分式计算 计算:2xy/(x+y)².(x+y)/4y 计算：(xy-x²)×x-y/xy 计算(3x-4y)-(3x+4y)-xy 计算：[(x-y)^2-(x+y)^2]/(-4xy)= （x^2+xy/x-y)/（xy/x-y)计算 计算:4xy-(x+y)^2/xy(x+y)(x-y)÷x^2+xy-2y^2/x^2y+2xy^2 x-y/xy-y^2计算 计算:(4xy(x-y)^-1+(x(y^-1)-(x^-1)y)/((x^-1)+(y^-1)))*(x+y)^-2 计算[4/(x^2-y^2)+(x+y)/(xy^2-x^2y)]除[(x+2y)(x-y)/(x^2+2xy^2)分式计算 计算(-xy)(x+2x²y) 计算(x-y)(x平方+xy+y平方)-(x+y)(x平方-xy+y平方) 计算:(x-2y)(1+x+2y+4y^2+2xy+x^2) 分解因式计算6x³y（x-y)³-4xy³(y-x)²