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。" d8 k  }7 W' X; {
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，
. c0 X4 v8 I' A' R2 T; R公仔箱論壇而不會過了一會才作答，C發現D不知道答案時就表示公仔箱論壇8 h8 I6 k2 p( g1 I& y
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.) w2 [0 m3 a8 P% H4 j! d
That means D is not sure the answer by seeing one white and one black.( B: O% H5 e: b2 q1 Q9 Y
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 公仔箱論壇9 T- Q5 L9 v) W; h% r8 c3 O
" e% l& p' `( {0 D
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?