(x-y)²/(x²-y²)约分要过程
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(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:2024/06/13 06:34:39
(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)