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
- t( m5 o1 c; f  Z
  y0 D4 F( z* y! \8 X& G9 KTVBNOW 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。is it b??

roymak82

thanks

iii222

I think is C.
$ X0 |. A: r% o9 Z/ e5 g: j7 {8 S  m7 S3 V
Since A & B will have no way to know, and D did not know the answer.
8 I! c* f) [( `1 f, m1 O3 K; u' D! o3 n( X2 K# K) |2 Z
This is a tough question for grade 1.  
- \  N5 k, {  M公仔箱論壇
5 W, d( L6 v/ X# m+ Y公仔箱論壇I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb+ c& A; g% h( G" Z0 d: R

9 u. d& g# \' ]+ lWow, 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" ^_^
+ {0 G$ h% t/ D/ K公仔箱論壇6 ?. ?* Y- E$ o2 R3 ~, J, [
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則