運用四個「5」....
回答 (4)
2007-07-28 12:31 am
1. 5 / 5 x 5 / 5 = 1
2. 5 / 5 + 5 - 5 = 1
2. 5 / 5 + 5 - 5 = 1
2007-07-28 12:29 am
1. (5+5)/(5+5)=1
2. (5-5)+5/5=1
2. (5-5)+5/5=1
收錄日期: 2021-04-12 20:42:10
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https://hk.answers.yahoo.com/question/index?qid=20070727000051KK03319