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数学
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提公因式因式分解:2x(x+y)²-(x+y)三次方
人气:305 ℃ 时间:2020-04-04 07:50:34
解答
2x(x+y)²-(x+y)三次方
=(x+y)^2(2x-x-y)
=(x-y)(x+y)^2
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