天秤與鹽 - 拼圖

By Blanche
at 2007-12-11T17:36
at 2007-12-11T17:36
Table of Contents
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
--
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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