多项式3x^m-y^(n+2)+1/7x^(m-1)y(n+1)分解因式结果是_______
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多项式3x^m-y^(n+2)+1/7x^(m-1)y(n+1)分解因式结果是_______多项式3x^m-y^(n+2)+1/7x^(m-1)y(n+1)分解因式结果是_______多项式3x^m-
多项式3x^m-y^(n+2)+1/7x^(m-1)y(n+1)分解因式结果是_______
多项式3x^m-y^(n+2)+1/7x^(m-1)y(n+1)分解因式结果是_______
多项式3x^m-y^(n+2)+1/7x^(m-1)y(n+1)分解因式结果是_______
多项式3x^my^(n+2)+1/7x^(m-1)y(n+1)分解因式结果是:
3x^my^(n+2)+1/7x^(m-1)y(n+1)
=1/7x^(m-1)y^(n+1)(21xy+1)
(原题打字有误,多了个-,不能因式分解)
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