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。5.39.217.772 O* X# L. \9 ?  ^7 m6 c
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
" ?/ ~0 i+ v/ {$ w4 r$ E5.39.217.77而不會過了一會才作答，C發現D不知道答案時就表示
8 E5 Z4 o1 D7 ?: g! h) f公仔箱論壇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.( l! s0 c/ v/ y2 ^8 `; o9 g
That means D is not sure the answer by seeing one white and one black.
1 ], \, e" m& a1 I! w! [0 WC 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 公仔箱論壇) `) ^$ R: L0 @) }# L- n

( p4 N) l0 V2 B* k( P3 _. ?tvb 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?