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因式分解12a^2*b(x-y)-4ab(y-x)
人气:258 ℃ 时间:2020-05-12 14:38:52
解答
12a^2*b(x-y)-4ab(y-x)
=12a^2*b(x-y)+4ab(x-y)
=(x-y)(12a^2*b+4ab)
=4ab(x-y)(3a+1)
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