(3a+b)(2a-3b)-3a(3a+b)因式分解
(3a+b)(2a-3b)-3a(3a+b)因式分解
數(shù)學(xué)人氣：811 ℃時(shí)間：2020-03-20 02:09:04
優(yōu)質(zhì)解答
(3a+b)(2a-3b)-3a(3a+b)=(3a+b)(2a-3b-3a)=-(3a+b)(a+3b)
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