三个红色和两个黑色
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( R7 [& v" @) g7 u最后那个说我不知道我戴什么颜色帽子.
6 `3 S3 w; s$ r! C2 B) x. 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.3 _( u3 g* y! @. m& N
tvb now,tvbnow,bttvb5 K) J3 v: h1 J
中间那个说我也不知道我戴什么颜色帽子.
5 ~& p. D y& b! T- 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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9 n+ H$ B) V1 x6 ~0 ?- ~公仔箱論壇但是第一个说我知道我戴什么颜色帽子.www3.tvboxnow.com1 B2 R$ Q3 P- A, d, P! M
- #1 must be wearing RED |