[問題] 天秤與鹽
看板puzzle (益智遊戲 - 數獨,拼圖,推理,西洋棋)作者puzzlez (耶!事情告一段落)時間18年前 (2007/12/11 17:36)推噓9(9推 0噓 53→)留言62則, 6人參與討論串1/1
有個放托盤的天秤,如果兩邊托盤上放著相同重量的東西時,天秤就會平衡,但是天秤上
沒有顯示重量的刻度。
有一百四十公斤的鹽、七公斤的秤錘和兩公斤的秤錘各一個,現在,只准使用三次天秤,
要如何才能把鹽分成九十公斤和五十公斤呢?
(標準解題時間:四十五分鐘)
puzzlez
2007/12/11
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12/12 07:38, , 62F
12/12 07:38, 62F
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