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h ^2 – 9 3 – h___________ ÷ _______h ^2 + 5h + 6 h + 2
Maths question (Algebra 1)
2010-10-18 11:51 pm
回答 (1)
2010-10-19 12:08 am
✔ 最佳答案
[(h^2－9)/(h^2+5h+6)]/[(3－h)/(h+2)] [(h^2－9)/(h^2+5h+6)]*(h+2)/(3－h)
=(h－3)(h+3)(h+2)/[(h+2)(h+3)(3－h)]
=－1
收錄日期: 2021-04-13 17:35:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101018000051KK00658