x(a-x)(a-y)-y(x-a)(y-a)怎么算

发布时间:2021-03-16 07:41:04

x(a-x)(a-y)-y(x-a)(y-a)怎么算

网友回答

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)
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