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ab^2(x-y)^2+a^2b(y-x)^3因式分解
人气:179 ℃ 时间:2020-05-12 16:59:57
解答
你好
ab^2(x-y)^2+a^2b(y-x)^3
=ab^2(x-y)^2-a^2b(x-y)^3
=ab(x-y)^2[b-a(x-y)]
=ab(x-y)^2(b-ax+ay)
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