兩個違反直覺的問題,倒水和數列 - 推理遊戲

By Aaliyah
at 2009-02-13T16:08
at 2009-02-13T16:08
Table of Contents
聽到兩個問題,答案都是違反直覺的
我想不出答案~ 頂有趣的^^
1.有兩個很大的杯子,各裝著體積相等的不同飲料
此兩飲料彼此並不會有任何作用力
將第一杯倒一半到第二杯(杯子很大不會溢出)
把第二杯攪拌均勻然後到回第一杯至原本的體積
請問兩杯此時飲料的比例是多少(不是2:1唷!)
2.sum(1+1-1+1-1+1-1+1-1+1-1......) 無限的+1-1下去 請問至無限多項時sum值多少
(是求值,不是求機率唷!)
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Tags:
推理遊戲
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