C答中了。A和B一定答不到因看不到其他人。tvb now,tvbnow,bttvb, k6 |6 K# s5 ?2 z
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，tvb now,tvbnow,bttvb$ e0 r- u- G- Y& g t
而不會過了一會才作答，C發現D不知道答案時就表示www2.tvboxnow.com8 n, o' K7 I+ A
C和B是不同顏色，那麼C只要答和B相反的顏色就對了。
C knows the answer by deducing D is not yelling out the answer. 6 |0 |1 H0 I7 e" L" k2 R6 }That means D is not sure the answer by seeing one white and one black. ( c7 n% W' K3 C5 @: stvb now,tvbnow,bttvbC saw B is wearing the white, hence he is wearing the black
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.
發表於 2013-2-10 08:55 PM
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好難哦~~
