有關3xy22yx2的精選大全

x2y﹣3xy2+2yx2﹣y2x
問題詳情:x2y﹣3xy2+2yx2﹣y2x【回答】原式=x2y+2x2y﹣3xy2﹣xy2=3x2y﹣4xy2知識點:整式的加減題型:計算題...
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