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因式分解:(x+y)2(x-y)-(x+y)(x-y)2
人气:370 ℃ 时间:2020-10-01 14:08:16
解答
(x+y)2(x-y)-(x+y)(x-y)2
=(x+y)(x-y)[(x+y)-(x-y)]
=2y(x+y)(x-y).
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