x²y-3xy²+2yx²-y²x
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/12 00:24:04
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x²y-3xy²+2yx²-y²x
x²y-3xy²+2yx²-y²x
x²y-3xy²+2yx²-y²x
x²y-3xy²+2yx²-y²x
=3x²y-4xy²
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来源:学生作业帮助网 编辑:作业帮 时间:2024/08/12 00:24:04
x²y-3xy²+2yx²-y²x
x²y-3xy²+2yx²-y²x
x²y-3xy²+2yx²-y²x
x²y-3xy²+2yx²-y²x
=3x²y-4xy²