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 公仔箱論壇- j/ a2 e4 V2 c; P1 C- l2 O" Z5 Y
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。6 v) p: G0 L1 _) o+ g9 L: @; B
is it b??

roymak82

thanks

iii222

I think is C.3 }, j2 C2 R$ J$ M- n
5.39.217.76) g: a8 q1 T+ a7 y8 Y# O; q! ^
Since A & B will have no way to know, and D did not know the answer.
  z% p& ]; R/ l7 h7 Z7 Gtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb' n3 o3 U$ v4 Z4 n
This is a tough question for grade 1.  
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* t' l# C- j4 x6 `. ]/ [. iI most likely cannot answer it within 5 minutes when I was that young.5.39.217.76: a! i+ V1 S1 J' j( Y- O
5.39.217.76, r/ a2 u! O) s$ Z
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" ^_^, n- f9 q6 _+ V( D( f, _
& q: i+ {8 |  O
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則