(2/c)-(1/2c)+3/4c)
(4n/5m)-(n/m)-(3n/10)
can you please simplify (how to)
2008-11-17 11:22 pm
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收錄日期: 2021-04-13 19:59:22
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https://hk.answers.yahoo.com/question/index?qid=20081117000051KK00790