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数学
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(a+b)(2x-y)+(a+b)(2y-x)
因式分解
人气：114 ℃ 时间：2020-05-08 12:21:05
解答
(a+b)(2x-y)+(a+b)(2y-x)
=(a+b)【(2x-y)+（2y-x)】
=(a+b)(2x-y+2y-x)
=（a+b)(x+y)
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