4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^2
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4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^24.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^24.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)
4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^2
4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^2
4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^2
X-y
4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^2
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