楼主: maybeapril
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[街谈巷议] 方舟子的数学错在哪里? |
发表于 2011-7-15 10:33 PM
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发现问题了吧? 硬币正面的盖率是 "1" 的答案对吗?
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发表于 2011-7-15 10:37 PM
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发表于 2011-7-15 10:38 PM
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发表于 2011-7-15 10:39 PM
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发表于 2011-7-15 10:41 PM
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发表于 2011-7-15 11:39 PM
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发表于 2011-7-16 12:00 AM
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