5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]
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5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^
5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]
5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]
5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]
5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]
=5x^2y^2[3x^4y^5-2x^5y^4+x^4y^6]
=(5x^2y^2)(x^4y^4)(3y-2x+y^2)
=5x^6y^6(3y-2x+y^2)
5x^2y^2[3x^4y^5-2x^5y^4+(x^2y^3)^2]
=5x^6y^6(3y-2x+y^2)
解方程?
{{x -> 0}, {x -> 0}, {x -> 0}, {x -> 0}, {x -> 0}, {x -> 0}, {x ->
1/2 (3 y + y^2)}}
因式分解?
-5 x^6 y^6 (2 x - 3 y - y^2)
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+（x-3y)(x-5y)+(x-2y)(x-4y)
5/4(x+y)(-x-y)^3*[-4/3(x-y)]*[-3/5(y-x)^2]
(2x-y)(3x-4y)-2(x-y)(2x-5y)简便运算
3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2
5x^3y(x-y)^3-10x^4y^3(y-x)^2因式分解
5x^3y(x-y)^3-10x^4y^3(y-x)^2
5X^3Y(X-Y)-10X^4Y^3(Y-X)^2因式分解
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
3(x+y)-4(x-y)=11,2(x-y)+5(x+y)=27
（x-y）^3×（y-x）^4+（x-y）^2×（y-x）^5
化简:5(x-y)+2(x+y)-3(x-y)
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)
先化简再求值(x-y)(x-2y)+(x-2y)(x-3y)-2(x-3y)(x-4y) x=4 y=5
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
4x+2y-5x-y
(2x-3y)-(5x-y)
(2X-3y)-(5x-y)
(2x-5y)(3x+y)