用硬幣決定 - 拼圖
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By Xanthe
at 2010-08-14T15:15
at 2010-08-14T15:15
Table of Contents
之前出現過「八人抽籤,如何利用骰子公平決定」的問題。
(答案是利用骰子有八個角,挺妙。)
新問題駕到!
請問如何利用一枚公正硬幣,從七人中公正抽出一人呢?
ps.若有OP(或數學版出現過)請見諒。
pps.忽然領悟到,解答使用的原理可以產生任意機率!
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拼圖
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