howardc888

Answer is C.  Many people already explained it.  :)

susu_nel

D应该先答对。D可以看见B,C是什么颜色，他就会有1/2机会答对

我是步惊云

interesting questions

kammandang

1# wasimasterQ 5.39.217.766 S" V; ~7 g: l2 e  R' l( j
5.39.217.769 B7 t% I5 L( n6 j: x% Y7 T
is it b??

roymak82

thanks

iii222

I think is C.公仔箱論壇# O- W8 p7 J" A! q/ c4 A4 w; C

1 G' J9 }- S/ T! D& TSince A & B will have no way to know, and D did not know the answer.* l# V0 ^/ v2 D/ F; b6 T; U
  L- j; Q" D* c* S
This is a tough question for grade 1.  
* s4 M. j3 e. B8 A* ITVBNOW 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。
  A3 m$ K9 g( Y/ Q: GI most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb9 p/ W  u$ T3 D8 E3 b' J+ A5 K
tvb now,tvbnow,bttvb  A9 a' }0 `$ f
Wow, really enjoy this question.  Thank you for sharing.

mirrorabc

Thanks for sharing

GN2160659

thanks for sharing

greenland

answer pls...

wa929

thanks for good question

edwin_8888

thank for sharing

24456430

看不到图片，做不了题目

shijin

總覺得這類型的題目 都是在考驗"邏輯思考" ^_^
; C- a. C+ ~: M* x' l5.39.217.76公仔箱論壇3 a8 B4 ~+ b% r7 a4 `
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則