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.
( w) a3 t" N4 X, b4 f- S- 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.
& @5 E B* Z" Q, t2 [$ I1 M0 ]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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- g# U# V' ]8 B# s8 p: E' Z1 X" yos.tvboxnow.com但是第一个说我知道我戴什么颜色帽子.
! l# D5 A. ?* s9 `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。- #1 must be wearing RED |