三个红色和两个黑色/ D. O& C9 y9 O
! t4 H" t1 `! d9 \ H
最后那个说我不知道我戴什么颜色帽子.
4 R. G% q4 U) j+ P& u) M公仔箱論壇- 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.
7 S: x4 f# b& Vtvb now,tvbnow,bttvb
9 a: K: C) Q# V. c公仔箱論壇中间那个说我也不知道我戴什么颜色帽子.tvb now,tvbnow,bttvb* ]/ a( i& f* _
- 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.9 V& \) H% ^/ ?% e* v
3 l2 _% R6 T) @3 [% ?
但是第一个说我知道我戴什么颜色帽子.8 l* F# x* K3 D& @; L; U
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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