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 5 _5 @7 O/ o. u) w
公仔箱論壇) V8 L( O0 K/ T* Y: b: n8 F
is it b??

roymak82

thanks

iii222

I think is C.
* j9 d# K% v1 L" z  C/ ~tvb now,tvbnow,bttvb
5 g; l4 X8 G; s3 eSince A & B will have no way to know, and D did not know the answer.tvboxnow.com8 J- |8 r- l9 U1 J$ S# q3 H

) w- {  A, {( x3 T* ltvb now,tvbnow,bttvbThis is a tough question for grade 1.  
1 t3 _7 _' O5 btvboxnow.com公仔箱論壇1 y+ F2 O: \( h9 u' F6 M
I most likely cannot answer it within 5 minutes when I was that young.
0 t' O/ U" _. R9 {# K: Z2 R3 ztvboxnow.com公仔箱論壇# M$ E0 f8 M& V9 O% p/ C) }4 c
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" ^_^tvboxnow.com2 H3 m$ H* m. E1 s9 ^5 Z5 @

8 v" n6 U8 b- _7 V5 Z$ {; d偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則