化简 x-y+(2y²)/(x+y)
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 21:57:57
化简 x-y+(2y²)/(x+y)
化简 x-y+(2y²)/(x+y)
化简 x-y+(2y²)/(x+y)
=[(x-y)(x+y)+2y²]/(x+y)
=(x²+y²)/(x+y)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 21:57:57
化简 x-y+(2y²)/(x+y)
化简 x-y+(2y²)/(x+y)
化简 x-y+(2y²)/(x+y)
=[(x-y)(x+y)+2y²]/(x+y)
=(x²+y²)/(x+y)