三个红色和两个黑色& x( _: A7 ~* K/ C
f' i0 f+ | x7 z" G8 h& m5.39.217.76最后那个说我不知道我戴什么颜色帽子.5.39.217.76' z$ l* S4 K9 ~# }' I0 G: l
- 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' o# b' I1 R. _9 m: m
/ a3 \( A( h! s& w* E& x中间那个说我也不知道我戴什么颜色帽子.9 p4 M" u& \, u6 P8 W4 k
- 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.公仔箱論壇7 A" F( Z Q( W6 Z
- C0 g, j1 {5 A) _; N但是第一个说我知道我戴什么颜色帽子.tvb now,tvbnow,bttvb6 i# G0 b! y* t' w) e1 ?
- #1 must be wearing RED |