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x^2-2xy+y^2-5x+5y-6 因式分解,
人气:176 ℃ 时间:2020-05-10 15:35:50
解答
x-2xy+y-5x+5y-6 =(x-y)-5(x-y)-6 =(x-y-6)(x-y+1)
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