三个红色和两个黑色
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+ J5 y* B. Z) H/ D3 ~- m0 x9 ntvb now,tvbnow,bttvb最后那个说我不知道我戴什么颜色帽子.
7 A+ t8 }3 I3 r0 |! M' w$ ^www3.tvboxnow.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.
* k9 t; ~7 P* G \) wwww3.tvboxnow.com
5 M# X# k5 w( dtvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.
# z, o4 _, R0 l2 k$ Utvb 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.公仔箱論壇1 W; P7 X1 A1 K$ h3 ?
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但是第一个说我知道我戴什么颜色帽子.
2 [* Y, G/ @" P* m, ]( b" Z4 U- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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