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。tvb now,tvbnow,bttvb3 \) N4 P, M( i3 A% m
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，5.39.217.77( f# L5 `8 z2 @( \* i
而不會過了一會才作答，C發現D不知道答案時就表示tvb now,tvbnow,bttvb6 e" i! B: [5 X5 b7 ?8 z
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.tvb now,tvbnow,bttvb8 k: N" K- M: W4 C3 f
That means D is not sure the answer by seeing one white and one black.
. P2 w( w: c8 h( atvb 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
& U% @) Z# k+ u* s
$ \' n* x3 v0 K. [$ G0 R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?