4,4,7,7怎樣合24?
回答 (2)
2006-11-16 4:44 am
4,4,7,7怎樣合24?
4,4,7,7 ...
7×(4- 4/7)
=(7×4)-7×(4/7)
=28-4
=24
..............
4,4,7,7 ...
7×(4- 4/7)
=(7×4)-7×(4/7)
=28-4
=24
..............
2006-11-15 5:12 am
7 x (4- 4/7)
收錄日期: 2021-04-12 22:05:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061114000051KK04159