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
  r) L; L: _# A$ c' C" C3 [7 z: O0 r% r6 C. S
is it b??

roymak82

thanks

iii222

I think is C.www3.tvboxnow.com7 R5 N! y3 N" j

* H* t* l8 x; N' j1 RSince A & B will have no way to know, and D did not know the answer.
$ g' D2 k5 p& Z+ g+ ?( `* M) y  pTVBNOW 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。
) ?* W9 G. M1 I% y9 T4 e& Ftvb now,tvbnow,bttvbThis is a tough question for grade 1.  
) Y$ u5 F- U; J! @4 T( T4 ttvb now,tvbnow,bttvb5 P% g9 o1 V# y
I most likely cannot answer it within 5 minutes when I was that young.% b( L: p* j% s! H
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。! d/ H$ c, F3 K2 W- r1 f: r
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" ^_^
- R) E& z. b% ]( U6 }. k( E' ~" Y* V) b3 H8 f
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則