因式分解:x(a-x)(a-y)-y(x-a)(y-a)

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因式分解:x(a-x)(a-y)-y(x-a)(y-a)因式分解:x(a-x)(a-y)-y(x-a)(y-a)因式分解:x(a-x)(a-y)-y(x-a)(y-a)x(a-x)(a-y)-y(x-

因式分解:x(a-x)(a-y)-y(x-a)(y-a)
因式分解:x(a-x)(a-y)-y(x-a)(y-a)

因式分解:x(a-x)(a-y)-y(x-a)(y-a)
x(a-x)(a-y)-y(x-a)(y-a)
=x(x-a)(y-a)-y(x-a)(y-a)
=(x-a)(y-a)(x-y)

x(a-x)(a-y)-y(x-a)(y-a) =x(a-x)(a-y)-y(a-x)(a-y) =(x-y)(a-x)(a-y)

x(a-x)(a-y)-y(x-a)(y-a)
=x(x-a)(y-a)-y(x-a)(y-a)
=(x-a)(y-a)(x-y)