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C.....
C答中了。A和B一定答不到因看不到其他人。
6 T* T4 {2 y1 {: O9 ^  B) O3 L假設C和B是同一顏色, 那D就會立刻知道自己的顏色,
8 [6 E# P4 q( ?5.39.217.77而不會過了一會才作答,C發現D不知道答案時就表示
0 i1 O5 P& S4 t/ m- `. eTVBNOW 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。C和B是不同顏色,那麼C只要答和B相反的顏色就對了。
WHY???
i want to know the answer
C knows the answer by deducing D is not yelling out the answer.5.39.217.775 m5 @+ A6 W. Z9 B8 ]8 U* T# i
That means D is not sure the answer by seeing one white and one black.
1 W6 Z  j4 p/ U9 N: t& z" pTVBNOW 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。C saw B is wearing the white, hence he is wearing the black
thank you
see this before but forgot answer
係點解呢?
thank a lot
dfdfd
我觉得是D 呢。。。
好難哦~~
1# wasimasterQ 5.39.217.77* u4 G( q' E8 A( Y. v* P4 n

+ o  c8 E" j' Xtvb now,tvbnow,bttvbC同B都答到
C, because he saw B's hat is white and he knows D can see the color of B's and his hat. If B and his hat has the same color, D would speak out. But D kept silent, so C knows that his hat's color must be different.
may i see the answer?
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