三个红色和两个黑色
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最后那个说我不知道我戴什么颜色帽子.
8 s: ?% |- U' ?) T1 B- l( R- the front #1 , #2 must not be black/black. Otherwise, #3 will know he is red. #1/#2 must be red/red or red/black or black/red.
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中间那个说我也不知道我戴什么颜色帽子.
7 M1 |1 ^+ o! D3 U/ s公仔箱論壇- for #2, if he see #1 wearing black, he can be sure he is red. since #2 cannot be sure, then #1 must NOT be wearing black.tvboxnow.com/ o5 n" C: e3 ], d$ {% c9 S
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。6 w* u3 [9 M+ |, H8 y
但是第一个说我知道我戴什么颜色帽子.公仔箱論壇/ p: p9 k3 y* U- W
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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