[(2x-y)(2x+y)+y(y-6x)]\(2x)(注:\是除号)
(x^2-y^2)(x/x-y+y^2/x^2-y^2-x-y/x+y) 【/为分数线,不是除号】
1、x(x-y)(x+y)-x(x+y)^2
1.((y+2x)(-2x+y)+4(x+2y)^2)/3y 2.(2(x-y)^3-8(x-y)^2(x+y)+6y(
计算:(x-y)^2*(y-x)^2*(x-y)^6
6(x+y)2-2(x-y)(x+y)因式分解
(1)(x^2/x)-y-x-y
(x-y/x+2y)³
【(x-y)^2+(x+y)(x-y)】除以 2x
因式分解3x^2(x-y)+6x(y-x)
[(-x-y)(-x+y)-(x+y)^2-x(y-y^2)}÷1/2y
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)(