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C.....
C答中了。A和B一定答不到因看不到其他人。5.39.217.77- x* ]4 A3 v7 s% t6 \" i( w# `
假設C和B是同一顏色, 那D就會立刻知道自己的顏色,
: y$ @6 J' N  w0 s* |7 Q而不會過了一會才作答,C發現D不知道答案時就表示
' u  H- ]0 k( c8 I& W. {tvb now,tvbnow,bttvbC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.
8 O7 l9 u( l/ C  K- i/ b# IThat means D is not sure the answer by seeing one white and one black.
; a, S9 W7 a8 C7 _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 # [7 b. t. x5 Z! l' M6 j

9 ~, }9 k( u6 a$ A( V5.39.217.77C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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