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 tvb now,tvbnow,bttvb, o! e. ?# {2 O# \; Q
3 u2 A, P; \. s9 Q) J& ^3 j
is it b??

roymak82

thanks

iii222

I think is C.tvb now,tvbnow,bttvb. @  ^% Y1 \/ C6 W& T

6 {( D5 W! a+ @& qtvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.os.tvboxnow.com% [2 i; d3 m$ F; I2 I
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。* a& R0 e9 O( l- w# {- _
This is a tough question for grade 1.  
3 T/ p+ N  D' [: I, L3 ?6 f8 G/ j公仔箱論壇os.tvboxnow.com- S0 G* P# {! a9 A" @, T% f) ~
I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇% ]( P: S1 ]2 L; Q3 _
os.tvboxnow.com7 d" P4 x  m6 i0 f) U
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" ^_^
1 X  D1 m1 H+ a( P3 q( Z+ G8 ^- E
: [) F* |1 T+ ~* X/ ^偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則