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。
) E. h! b) x# I0 v) o1 C; s5 S假設C和B是同一顏色, 那D就會立刻知道自己的顏色，公仔箱論壇) f3 y, C6 L! d! l' F$ C
而不會過了一會才作答，C發現D不知道答案時就表示
  X9 A/ g. J' N* n5.39.217.76C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。+ \0 |' x; F, o5 x9 C* u. z
That means D is not sure the answer by seeing one white and one black.tvb now,tvbnow,bttvb. N+ @9 c2 P: o( a8 ]% ~# [6 Q
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
9 Y* L& E& J& RTVBNOW 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。5.39.217.76. J, m* J* |# L7 s& _' N
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?