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 ' H/ }6 A  Y) o) D
) J0 s2 B$ X1 l/ _* Q& P
is it b??

roymak82

thanks

iii222

I think is C.tvb now,tvbnow,bttvb2 w  F% D% Y, t+ _$ U  A5 Q1 {$ W
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。  J/ o/ t( [* J) c. {' G% [* q
Since A & B will have no way to know, and D did not know the answer.tvb now,tvbnow,bttvb6 |6 O: N: m4 K* u1 _2 G! Y6 w- a2 X
www3.tvboxnow.com- Y1 V6 Y! u- G) A7 _2 N
This is a tough question for grade 1.  
: f9 u! a0 Q2 w" N5 l, Ctvb now,tvbnow,bttvb公仔箱論壇6 S1 e' O0 d1 S, k) y
I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb* c/ s1 A0 _4 T/ g( ^7 l: J
www3.tvboxnow.com3 I( u3 g( j; j8 l- D
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" ^_^公仔箱論壇, a) `+ E  s1 x) v1 p- ]
tvb now,tvbnow,bttvb- ^. t3 M9 h, c, c- U
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則