求解(m+2n)² - 3(m+2n)
求解(m+2n)² - 3(m+2n)
數(shù)學(xué)人氣:266 ℃時間:2020-06-27 18:00:19
優(yōu)質(zhì)解答
(m+2n)^2-3(m+2n)=(m+2n)(m+2n-3)
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