3(x^2)-3(x^2)y+8y-8x 因式分解
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3(x^2)-3(x^2)y+8y-8x因式分解3(x^2)-3(x^2)y+8y-8x因式分解3(x^2)-3(x^2)y+8y-8x因式分解3(x^2)-3(x^2)y+8y-8x3(x^2)-8
3(x^2)-3(x^2)y+8y-8x 因式分解
3(x^2)-3(x^2)y+8y-8x 因式分解
3(x^2)-3(x^2)y+8y-8x 因式分解
3(x^2)-3(x^2)y+8y-8x
3(x^2)-8x-3(x^2)y+8y
x(3x^2-8)-y(3x^2-8)
(x-y)(3x^2-8)
(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
【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^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2)
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
x^3+2x^2y-4x-8y
因式分解:a(x-y)^2+b(y-x)^3 4(x-y)^2+8(y-x)(x+y)1.a(x-y)^2+b(y-x)^3 2.4(x-y)^2+8(y-x)(x+y)
12y(x-y)^2-8(x-y)^3=?
2(x-y)+3(x+y)2-5(x-y)-8(x+y)2-(x-y)
x(x-y)2-(y-x)3
计算:1/(x-y)-1/(x+y)-2y/(x^2+y^2)-4y^3/(x^4+y^4)-8x^7/(x^8+y^8)
[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