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 www2.tvboxnow.com, E9 `0 z; {, c( ]" Y
* Y, s! P7 A: I
is it b??

roymak82

thanks

iii222

I think is C.
% _( t5 `9 ]9 _公仔箱論壇www2.tvboxnow.com9 u/ s' U: v" M6 @6 m7 }; i, t
Since A & B will have no way to know, and D did not know the answer.' m1 _+ m; {$ H6 ^5 o

, T* }4 c0 ?* Z0 a, W2 }) w% rtvb now,tvbnow,bttvbThis is a tough question for grade 1.  公仔箱論壇1 V( k- B# O0 D6 q# m4 \
公仔箱論壇% k8 q1 m5 c( s" I
I most likely cannot answer it within 5 minutes when I was that young.
0 B7 m* f- `# u' iwww2.tvboxnow.com
* V4 g% J# B- i, [tvb now,tvbnow,bttvbWow, 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" ^_^
% A* i5 l5 I/ [$ O) J# Uwww2.tvboxnow.comtvb now,tvbnow,bttvb5 G  N! p) R: i) O
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則