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
* _1 N+ X# t8 c# s, itvb now,tvbnow,bttvb公仔箱論壇1 E: F7 t# y5 \. i
is it b??

roymak82

thanks

iii222

I think is C.
( C# p8 b9 z, Q" {! N. y
3 d" |- f  e8 L* U( b7 q6 nSince A & B will have no way to know, and D did not know the answer.
+ {4 x& p- C6 N" xtvb now,tvbnow,bttvb
" H! d3 ^8 {) l; D+ v4 F% ~TVBNOW 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。This is a tough question for grade 1.  
1 C  F# D  B7 F公仔箱論壇
5 R. U& H  M/ Q- c* ~0 M. s8 U. mTVBNOW 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。I most likely cannot answer it within 5 minutes when I was that young.1 L2 m% h5 R$ C8 a+ L
5.39.217.77: p) L. [3 `7 ?, N0 ?8 {, \
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" ^_^  h2 B  H. m2 i
6 O6 m0 z6 C2 k# \2 d
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則