作业帮(2x²y-2xy²）-[(-3x²y²+3x²y)+(3x²y²-3xy²)],其中 x=-1,y=2
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/08 03:18:29
![(2x²y-2xy²）-[(-3x²y²+3x²y)+(3x²y²-3xy²)],其中 x=-1,y=2](/uploads/image/z/469588-4-8.jpg?t=%282x%26%23178%3By-2xy%26%23178%3B%EF%BC%89-%5B%28-3x%26%23178%3By%26%23178%3B%2B3x%26%23178%3By%29%2B%283x%26%23178%3By%26%23178%3B-3xy%26%23178%3B%29%5D%2C%E5%85%B6%E4%B8%AD+x%3D-1%2Cy%3D2)
(2x²y-2xy²）-[(-3x²y²+3x²y)+(3x²y²-3xy²)],其中 x=-1,y=2
(2x²y-2xy²）-[(-3x²y²+3x²y)+(3x²y²-3xy²)],其中 x=-1,y=2
(2x²y-2xy²）-[(-3x²y²+3x²y)+(3x²y²-3xy²)],其中 x=-1,y=2
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