1.多项式-6ab²+18a²b²-12a³b²c的公因式是( )A.-6ab²c B.-ab² C.-6ab² D.-6a³b²c2.下列用提公因式法因式分解正确的是( )A.12abc-9a²b²=3abc(4-3ab) B
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![1.多项式-6ab²+18a²b²-12a³b²c的公因式是( )A.-6ab²c B.-ab² C.-6ab² D.-6a³b²c2.下列用提公因式法因式分解正确的是( )A.12abc-9a²b²=3abc(4-3ab) B](/uploads/image/z/6096620-20-0.jpg?t=1%EF%BC%8E%E5%A4%9A%E9%A1%B9%E5%BC%8F-6ab%26sup2%3B%2B18a%26sup2%3Bb%26sup2%3B-12a%26sup3%3Bb%26sup2%3Bc%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF%EF%BC%88+%EF%BC%89A%EF%BC%8E-6ab%26sup2%3Bc+B%EF%BC%8E-ab%26sup2%3B+C%EF%BC%8E-6ab%26sup2%3B+D%EF%BC%8E-6a%26sup3%3Bb%26sup2%3Bc2%EF%BC%8E%E4%B8%8B%E5%88%97%E7%94%A8%E6%8F%90%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%B3%95%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF%EF%BC%88+%EF%BC%89A%EF%BC%8E12abc-9a%26sup2%3Bb%26sup2%3B%3D3abc%EF%BC%884-3ab%EF%BC%89+B)
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