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因式分解(m²-1)/(m+1)-(m²-m³)-(m²-m)
(m²-1)/(m+1)-(m²-m³)/(m²-m)
人气:396 ℃ 时间:2020-06-27 12:32:51
解答
=(m+1)(m-1)/(m+1) - (1-m)m² -(m-1)m
=m-1+(m-1)(m²-m)
=(m-1)(m²-m+1)
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