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
- x; _! S4 z/ @/ v, h' ~; O% Ftvb now,tvbnow,bttvb
1 ?4 y" |) A) r% {" V- Ais it b??

roymak82

thanks

iii222

I think is C.
9 Y* q! W; t4 S' W% V7 qos.tvboxnow.comos.tvboxnow.com% `& B, @& @5 v% g; u
Since A & B will have no way to know, and D did not know the answer.tvb now,tvbnow,bttvb) }. ?5 v. m. ^* I+ C
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。" v" E5 p  y' g/ j# A
This is a tough question for grade 1.  
% R  L4 I! c+ r2 Y
: t' R5 [/ m0 b公仔箱論壇I most likely cannot answer it within 5 minutes when I was that young.os.tvboxnow.com/ \. Z1 n0 C" l' C' u: H. {# {8 D

2 ~4 U# G; z6 M, {8 |9 jos.tvboxnow.comWow, 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" ^_^1 M! |5 d) e6 r* f% \

& {& i, u) J0 a9 L! d9 b/ }偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則