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 ! k. \: D9 s& D/ ]# }
公仔箱論壇7 P8 ]% S! J1 H: g
is it b??

roymak82

thanks

iii222

I think is C.& e. [# U) ?; [1 |0 X+ F+ M

% j1 h9 L$ m) h! c- Dwww2.tvboxnow.comSince A & B will have no way to know, and D did not know the answer.2 X& E( c  u# d0 X
tvb now,tvbnow,bttvb: [% V  J2 K  d4 K
This is a tough question for grade 1.  
0 G. j. y& z7 e% n/ x8 {5 c
. W4 K3 y( F5 Jwww2.tvboxnow.comI most likely cannot answer it within 5 minutes when I was that young.
  {8 @1 T; ?# d$ x
2 q1 E" Q! }* O' B% L5 C$ K0 MWow, 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" ^_^
$ h, _, o1 S4 ~# dtvb now,tvbnow,bttvb
  g5 g3 p8 g# |# ^+ K公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則