三个红色和两个黑色3 L8 ?6 ~6 {; \: y1 J- E
& I) d6 T7 V. L, j, X" Stvb now,tvbnow,bttvb最后那个说我不知道我戴什么颜色帽子.
% Z7 l! k4 s- s- ^www1.tvboxnow.com- 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. t7 y2 F' s c
, P; ?* O. i+ B6 l7 S' ]- Q V中间那个说我也不知道我戴什么颜色帽子.# {9 o3 M. O1 B5 _% Z/ n
- 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.. v, Y3 S# i3 W/ w {6 B3 f
公仔箱論壇& G) P' O3 K7 u. Y. f3 `* @
但是第一个说我知道我戴什么颜色帽子.
1 |- K" e1 m, E: L# Y% z公仔箱論壇- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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