[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]/2(x-y)^2的解题过程是什么
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[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]/2(x-y)^2的解题过程是什么[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]/2(x-y)^2的解题过程是
[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]/2(x-y)^2的解题过程是什么
[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]/2(x-y)^2的解题过程是什么
[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]/2(x-y)^2的解题过程是什么
[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]/2(x-y)^2
=2(x-y)^2[2(x-y)-4(x+y)+3y]/2(x-y)^2
=2(x-y)-4(x+y)+3y
=2x-2y-4x-4y+3y
=2x-4x-2y-4y+3y
=-2x-3y
【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
x(x-y)2-(y-x)3
[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x
化简:{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x
计算2/3x-2/x+y(x+y/3x-x-y)/x-y/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
化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
18(x+y)^8(x-y)^7÷[3(x+y)^3(x-y)^3]^2
4x-3y/x-2y÷6y-8x/y-2x
3(x-y)^2-7(x-y)+8(y-x)^2+6(y-x)合并同类项.
5(x-y)^2-(x-y)-8(x-y)^2-3(x-y)
81/8*(-x-y)^6*(x-y)^3*4/9(x+y)^4*(y-x)^2
计算:x+2y/x-y+2x/y-x-3y/x-y
化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方
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)
[(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y)