[(x+y)(x-y)-(x-y)²+2y(x-y)]÷(-2y)
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 05:30:58
[(x+y)(x-y)-(x-y)²+2y(x-y)]÷(-2y)
[(x+y)(x-y)-(x-y)²+2y(x-y)]÷(-2y)
[(x+y)(x-y)-(x-y)²+2y(x-y)]÷(-2y)
-2(x-y)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 05:30:58
[(x+y)(x-y)-(x-y)²+2y(x-y)]÷(-2y)
[(x+y)(x-y)-(x-y)²+2y(x-y)]÷(-2y)
[(x+y)(x-y)-(x-y)²+2y(x-y)]÷(-2y)
-2(x-y)