三个红色和两个黑色
/ l' W* l9 J- A6 t2 k* |0 c4 ^* J+ NTVBNOW 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。tvb now,tvbnow,bttvb! P8 f* E5 S5 |
最后那个说我不知道我戴什么颜色帽子.5.39.217.77:8898 V7 p+ h, y9 U# x$ I& V/ n8 f
- 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.公仔箱論壇+ Z2 _" l6 o+ p9 {8 `! @, f1 ~
5.39.217.77:8898; o1 ?! _. s0 H
中间那个说我也不知道我戴什么颜色帽子.
4 Y5 p* r' ~/ a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.
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$ Q2 u! p9 j# o3 ^3 x( U( V但是第一个说我知道我戴什么颜色帽子.公仔箱論壇: n+ q o/ r" P( t, z/ E% H
- #1 must be wearing RED |