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多项式5a(x-y)+10b(y-x)的公因式是
人气:435 ℃ 时间:2020-04-03 21:48:31
解答
5a(x-y)+10b(y-x)的公因式是:5(x-y)
5a(x-y)+10b(y-x)
=5a(x-y)-10b(x-y)
=(x-y)(5a-10b)
=5(x-y)(a-2b)
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