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。- j6 z0 a+ {. N7 V9 R) A
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，" Y+ N; Q- `, E
而不會過了一會才作答，C發現D不知道答案時就表示
& q7 Y1 d& ], E1 _) B( |) i5.39.217.77:8898C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.
) t3 E8 D# o1 T* ZTVBNOW 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.
8 c3 N2 \! e6 R. L) d. v8 ?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
" y  ^. T& B6 s& h9 XTVBNOW 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。
! F+ X3 \2 _* ]5 S! ]. @公仔箱論壇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?