作业帮(x-y)²/(x²-y²)约分要过程
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/15 10:52:56
(x-y)²/(x²-y²)约分要过程
(x-y)²/(x²-y²)约分要过程
(x-y)²/(x²-y²)约分要过程
(x-y)²/(x²-y²)
=(x-y)²/(x+y)(x-y)
=(x-y)/(x+y)
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来源：学生作业帮助网 编辑：作业帮 时间：2024/05/15 10:52:56
(x-y)²/(x²-y²)约分要过程
(x-y)²/(x²-y²)约分要过程
(x-y)²/(x²-y²)约分要过程
(x-y)²/(x²-y²)
=(x-y)²/(x+y)(x-y)
=(x-y)/(x+y)