三个红色和两个黑色tvboxnow.com) p/ C: l1 e @: M' p
& y) M# _: h, ~$ Q最后那个说我不知道我戴什么颜色帽子.
/ I' }$ N( @* itvboxnow.com- 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.tvboxnow.com' C6 h3 q5 W. k4 F
tvboxnow.com2 d3 R- o. e! A- f
中间那个说我也不知道我戴什么颜色帽子.
6 Y) O2 m$ g" X( W% }8 ztvb 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.tvboxnow.com1 h% {; D: Q- @
& p, l; _3 F* ftvb now,tvbnow,bttvb但是第一个说我知道我戴什么颜色帽子.公仔箱論壇/ d( C- M) t* [0 j: s' G% u
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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