小六數學趣味題一問
2008-04-21 6:48 am
有一間糖果店, 售賣1/50, 1/49, 1/48......1/4, 1/3, 1/2公斤的糖果, 現在媽媽買7包糖果, 但每包的重量卻不相同, 而總數要剛好是1公斤, 媽媽應該買哪7種糖果?
回答 (1)
2008-04-21 8:05 am
✔ 最佳答案
Buy1/3
1/4
1/6
1/10
1/15
1/20
1/30
As
1/3+1/4+1/6+1/10+1/15+1/20+1/30 = 1
The technique is that by breaking down 1 into small piece and get the above 7 numbers.
參考: myself
收錄日期: 2021-05-03 12:56:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080420000051KK03659