三个红色和两个黑色
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' x& T# k" x9 G6 e最后那个说我不知道我戴什么颜色帽子. b# Z& {* ^: e; T! k1 i
- 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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3 z. I9 w2 ]/ f! i* v中间那个说我也不知道我戴什么颜色帽子.
9 _. h; t8 [' n1 ~tvb now,tvbnow,bttvb- 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 C, V% t3 p% t8 K {www.tvboxnow.com
$ w/ @% v. B" f. ]/ {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。但是第一个说我知道我戴什么颜色帽子.
+ l/ p! I1 @5 W7 O; D4 v1 Xtvb now,tvbnow,bttvb- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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