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
# q+ g% J" ^# u' V, Ltvb now,tvbnow,bttvb+ N$ _# H- k* Z$ c. }. B. q
is it b??

roymak82

thanks

iii222

I think is C.
; U7 Q$ ^. |/ @0 h8 E  B- I) y% o4 E  s8 m
Since A & B will have no way to know, and D did not know the answer.
( Q) K2 C+ i& F5 D) y4 {3 DTVBNOW 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。3 M( G: T, z2 j3 G
This is a tough question for grade 1.  
% m% O! `# b. j5.39.217.77:88989 M/ I3 c4 S( y
I most likely cannot answer it within 5 minutes when I was that young.
/ W0 A! V0 k  L7 d9 Itvb now,tvbnow,bttvb
% A6 V5 [* _. Y1 i5.39.217.77:8898Wow, 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" ^_^
/ \  E% H# @7 ]7 g/ X" V( i* m% Ntvb now,tvbnow,bttvb5.39.217.77:88987 h$ ~- a4 |! j
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則