白球&黑球 - 猜謎
![William avatar](/img/cat2.jpg)
By William
at 2009-01-30T19:28
at 2009-01-30T19:28
Table of Contents
給你50個白球和50個黑球和兩個一模一樣的箱子,,
將這100個球如何分別放入兩個箱子裡,
在你看不見的情況下任意調換兩個箱子,
讓你連續拿11次球,
如何分配可以讓你拿出白球的機率為70%呢?
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http://blog.xuite.net/cgt798/carina
--
Tags:
猜謎
All Comments
![Vanessa avatar](/img/cat1.jpg)
By Vanessa
at 2009-02-04T00:08
at 2009-02-04T00:08
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By Donna
at 2009-02-08T22:04
at 2009-02-08T22:04
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By Poppy
at 2009-02-12T11:48
at 2009-02-12T11:48
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By Catherine
at 2009-02-12T20:54
at 2009-02-12T20:54
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By Candice
at 2009-02-16T05:50
at 2009-02-16T05:50
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By Vanessa
at 2009-02-20T21:13
at 2009-02-20T21:13
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By Ula
at 2009-02-22T06:14
at 2009-02-22T06:14
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