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-8a³b²+12ab³c-6a²b;(2m-3n)²-2m+3n;因式分解
人气:237 ℃ 时间:2020-04-04 16:55:26
解答
8a³b²+12ab³c-6a²b
=2ab(4a²b+6b²c-3a)
(2m-3n)²-2m+3n
=(2m-3n)²-(2m-3n)
=(2m-3n)(2m-3n-1)
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