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m²-m/m+2=_____.

分类: 作业答案 • 2021-12-28 11:00:58

问题描述：

m²-m/m+2=_____.

答

(1) 当m = 0时,全式没有定义.
(2) 当m不等於0时,全式化为m²-1+2 = m²+1

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m²-m/m+2=_____.

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