六枚硬幣 - 拼圖

By Kumar
at 2010-01-28T16:38
at 2010-01-28T16:38
Table of Contents
我同時金1銀1 金2銀2
第一秤
單邊重 表示該邊兩枚皆為真幣 假設為金1 銀1
第二秤
在拿一枚金1或銀1跟隨意拿一枚銅幣秤
即可知道哪枚銅幣為真
第一秤若平衡
先收掉兩邊的金或銀
即可判斷出金銀的真幣
這算是偷吃步
因為我還沒完全把東西拿下來在放上去所以不算第二秤
第二秤同上
這個問題在真幣等重 偽幣等重的情況下才得以成立
若這個問題無論真偽 金幣 銀幣 銅幣 為論真偽 皆由重至輕排列 真比偽重一點
請問各位會有什麼答案呢?
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By Cara
at 2010-02-01T17:38
at 2010-02-01T17:38

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