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填空题一个多项式与m2+m-2的和是m2-2m.这个多项式是________.
填空题一个多项式与m2+m-2的和是m2-2m.这个多项式是________.
发布时间:2020-07-27 04:11:32
填空题一个多项式与m2+m-2的和是m2-2m.这个多项式是________.
网友回答
-3m+2解析分析:根据一多项式与m2+m-2的和是m2-2m,利用两多项式的和减去已知多项式求出未知个多项式即可.解答:∵一多项式与m2+m-2的和是m2-2m.
∴这个多项式是:m2-2m-(m2+m-2)=-3m+2.
故
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