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。
' V0 o! A4 U0 Z" S8 u3 ^" q6 ^9 ^假設C和B是同一顏色, 那D就會立刻知道自己的顏色，# q9 u/ T* }6 H9 ~% n0 e
而不會過了一會才作答，C發現D不知道答案時就表示
3 I0 U+ l- ?/ a+ y5.39.217.76C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.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。2 A& F7 E7 W; k0 y) t
That means D is not sure the answer by seeing one white and one black.
) i! B& v3 j( t2 Y+ ttvb now,tvbnow,bttvbC 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 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。$ T9 X  `% Y7 B1 A/ k; l0 o7 {4 M8 [5 r

) h( k) K" ?( h: Ptvb now,tvbnow,bttvbC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?