[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
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[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^5-8(x-
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
=(x-y)-4(x+y)+3y
=x-y-4x-4y+3y
=-3x-2y
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
(2x+y)²+(x+3y)(x-3y)-x(5x+8y)因式分解
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
-(x-y)^2-2(y-x)^2-5(x-y)^2+8(x-y)^2化简
5(x-y)^2-(x-y)-8(x-y)^2-3(x-y)
化简(4x-2y)-[5x-(8y-2x-x-y)]+x
化简(4x-2y)-﹛5x-[8y-2x-(x+y)]-x﹜
计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2)
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
2(x-y)+3（x+y）2-5(x-y)-8（x+y）2-（x-y）
化简y(x+y)+(x+y)(x-y)-x^2
因式分解x(x+y)(x-y)-x(x+y)^2
5x(x-y)+2y(x-y)
化简:5(x-y)+2(x+y)-3(x-y)
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
（X+2Y)(5X-2Y)
(x+2y)(5x-2y)