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
+ i& C# V" }$ I- G7 k; hTVBNOW 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。tvb now,tvbnow,bttvb- S6 i, t2 |# W- ^) @! F
is it b??

roymak82

thanks

iii222

I think is C.
+ f+ z, l$ [( ?' D+ y
4 R$ A+ y# B. H/ Atvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.5.39.217.775 {# S* D6 ^+ Y* s6 g2 h

0 d- A4 N# S! G$ @5.39.217.77This is a tough question for grade 1.  
. u4 r' m. N- [" p; \  r# ^  }. a公仔箱論壇  O. ]7 M9 Z+ e* I* h
I most likely cannot answer it within 5 minutes when I was that young.
0 l: r+ Y3 z, D5 e3 E6 mtvb now,tvbnow,bttvb
& [- G, M% t' z+ [- mtvb 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" ^_^8 T2 h) E* J$ f9 v( d* H

" p) T! Z2 V! [) q2 m7 G偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則