作业帮3x²y-[x²y²-2(xy-2/3x²y)＋xy]+3x²y²,其中x=3,y=-1/3 化简计算
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/12 01:33:44
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3x²y-[x²y²-2(xy-2/3x²y)＋xy]+3x²y²,其中x=3,y=-1/3 化简计算
3x²y-[x²y²-2(xy-2/3x²y)＋xy]+3x²y²,其中x=3,y=-1/3 化简计算
3x²y-[x²y²-2(xy-2/3x²y)＋xy]+3x²y²,其中x=3,y=-1/3 化简计算