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。
$ |+ X  |% ]( ?  ]) x4 g% x5.39.217.76假設C和B是同一顏色, 那D就會立刻知道自己的顏色，6 A/ \1 P# s7 V0 g2 o% [0 f
而不會過了一會才作答，C發現D不知道答案時就表示
$ C, p9 r. K5 P( w' ~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 l0 {0 c, b" T% q! |9 Qtvb now,tvbnow,bttvbThat means D is not sure the answer by seeing one white and one black.
4 {$ H; n5 n" v# QTVBNOW 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

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 公仔箱論壇* A" l6 e; i; c: z" O- S- w0 ~5 K
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。7 \8 l+ h9 A: V5 k1 U. ]
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?