三个红色和两个黑色5.39.217.77; F! j- _- T, u# o) z, ?
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最后那个说我不知道我戴什么颜色帽子.tvb now,tvbnow,bttvb6 S; G6 M' I6 j' t, v e
- 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- H+ G/ B% N- h$ w
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中间那个说我也不知道我戴什么颜色帽子.
' G$ {. `% i) c6 N# Z- 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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但是第一个说我知道我戴什么颜色帽子.
' B3 y% ]! y) Q- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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