三个红色和两个黑色6 V2 e& b/ O. o/ l3 l. m3 _
5.39.217.772 }, Z9 M/ x6 `" m* d, n& k) T v% Y7 s
最后那个说我不知道我戴什么颜色帽子.公仔箱論壇9 h8 A/ C C8 G7 t
- 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./ b# K* z i6 n
; d* `9 @/ k! Y/ a9 MTVBNOW 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。中间那个说我也不知道我戴什么颜色帽子.公仔箱論壇; g/ P8 X. T: {: C& U
- 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.公仔箱論壇7 e7 ^3 k2 i+ R7 N( R
4 l$ h& c# A! Q/ N& ~- K9 d2 h
但是第一个说我知道我戴什么颜色帽子.tvb now,tvbnow,bttvb- O% n+ b5 T+ [4 |8 ~6 ~% m: s
- #1 must be wearing RED |