wingdragon89

C.....

中國籍男子

C答中了。A和B一定答不到因看不到其他人。
8 ?8 z1 W% ^/ i% y5.39.217.76假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
4 u; n5 p# |. Z+ |公仔箱論壇而不會過了一會才作答，C發現D不知道答案時就表示tvb now,tvbnow,bttvb" o. V: ^6 ~' f6 x6 N
C和B是不同顏色，那麼C只要答和B相反的顏色就對了。

南極

WHY???

mavvvv

i want to know the answer

waha1ha1

C knows the answer by deducing D is not yelling out the answer.
5 y$ }9 m, w, C4 I7 AThat means D is not sure the answer by seeing one white and one black.公仔箱論壇0 x) I0 e  R, q( |, b; N. w8 ?
C saw B is wearing the white, hence he is wearing the black

abilam123

thank you

jonnyfang

see this before but forgot answer

sws2108

係點解呢？

wong32159

thank a lot

rockylok

dfdfd

KekHao

我觉得是D 呢。。。

formax

好難哦~~

bluekid2030

1# wasimasterQ tvb now,tvbnow,bttvb+ R# K! _) t% N2 C) s  t* n( O4 u9 R
tvb now,tvbnow,bttvb( v  f/ D+ a/ V
C同B都答到

roembro

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.

morrislch

may i see the answer?