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
/ D# j1 }! L. n0 s1 ~$ z# g7 W9 d) Fwww2.tvboxnow.com0 s3 k4 M: U) d$ w7 H
is it b??

roymak82

thanks

iii222

I think is C.tvb now,tvbnow,bttvb) z3 z8 g2 c( h3 [

& _& z6 G! ]1 D: c2 r" xwww2.tvboxnow.comSince A & B will have no way to know, and D did not know the answer.
% d+ E' |( C1 B& x6 i0 L6 uwww2.tvboxnow.comTVBNOW 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。8 [7 p) z* J# Q4 n/ A6 ]
This is a tough question for grade 1.  
6 b- A8 u# v2 B公仔箱論壇
$ v" v/ A# Q, g( }, M/ Fwww2.tvboxnow.comI most likely cannot answer it within 5 minutes when I was that young.
, J) W/ `) R0 z) A: S, o& O; E+ }  U公仔箱論壇3 H, F; l+ N9 h' k
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" ^_^
# m* N# v/ m/ t+ e4 F
( X$ Q3 b  G: b& F& L9 l4 k* j3 A偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則