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。4 D  g3 y! j! Y
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: Z6 t) P- u" ~# c5 s! r6 T
而不會過了一會才作答，C發現D不知道答案時就表示5.39.217.77:88988 \5 R1 A( @6 E: k
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.
! b% p* ]! }5 i; J5 HTVBNOW 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。That means D is not sure the answer by seeing one white and one black.! P; f4 f" I/ ~* D+ l1 J0 X
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 5.39.217.77:8898' {' t. `9 Z: ?7 V; F

+ C# u1 I; w; Y6 h3 @TVBNOW 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?