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。1 E' ^- A) F* x5 Z
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
; O/ g8 c  F% K" r8 w$ \# stvb now,tvbnow,bttvb而不會過了一會才作答，C發現D不知道答案時就表示
( z7 |9 T( F1 }0 a3 u9 R& S- K5.39.217.76C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.
# L& [  R1 ]) P# p% fTVBNOW 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.
4 s+ l) M& M! i3 \, c- [+ \tvb 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
' G/ M" X) }9 B$ Stvb now,tvbnow,bttvbTVBNOW 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。% r( k' S. u3 V4 w: p2 ^
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?