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a3(x-y)-3a2b(y-x)因式分解为______.
人气:305 ℃ 时间:2019-12-10 04:09:58
解答
a3(x-y)-3a2b(y-x)=a3(x-y)+3a2b(x-y)=a2(x-y)(a-3b).
故答案为:a2(x-y)(a-3b).
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