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数学
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因式分解方法:m(x-y)(x-y)-x+y
人气:286 ℃ 时间:2020-04-11 13:07:36
解答
利用提取公因式法
m(x-y)(x-y)-x+y
=m(x-y)(x+y)-(x-y)
=(x-y)(mx+my-1)
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