渊来于此 » 2009 » 十二月 » 30 http://yuyuan.org From one keyboard to another. Fri, 09 Apr 2010 05:44:34 +0000 http://wordpress.org/?v=2.7.1 en hourly 1 概率 http://yuyuan.org/2009/12/30/%e6%a6%82%e7%8e%87/ http://yuyuan.org/2009/12/30/%e6%a6%82%e7%8e%87/#comments Wed, 30 Dec 2009 14:30:00 +0000 于渊 http://yuyuan.org/?p=214 yolk

打三个蛋，出五个黄，这种概率有多少？

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