求因式分解 x^3y^3(x-y)^3+x^2y^2(y-x)^2

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求因式分解x^3y^3(x-y)^3+x^2y^2(y-x)^2求因式分解x^3y^3(x-y)^3+x^2y^2(y-x)^2求因式分解x^3y^3(x-y)^3+x^2y^2(y-x)^2x^3y

求因式分解 x^3y^3(x-y)^3+x^2y^2(y-x)^2
求因式分解 x^3y^3(x-y)^3+x^2y^2(y-x)^2

求因式分解 x^3y^3(x-y)^3+x^2y^2(y-x)^2
x^3y^3(x-y)^3+x^2y^2(y-x)^2
=x^3y^3(x-y)^3+x^2y^2(x-y)^2
=x^2y^2(x-y)^2(x^2y-x^2y+1)