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 6 V' M+ i, D+ m

/ f( n; ?+ q+ `. fis it b??

roymak82

thanks

iii222

I think is C.
0 f6 L$ b5 l% T) v/ }: ktvb now,tvbnow,bttvb
4 S' t2 G2 D$ i$ c& Q8 j; W  t; Etvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.5.39.217.76' [+ K) O( `, n/ z4 W; ?! f

( D" x+ N$ l/ }$ Q- k) o5 ^' k/ ?This is a tough question for grade 1.  tvb now,tvbnow,bttvb4 [. A7 K; ]: z* c: k
公仔箱論壇( x  L" y; d* Z# V% I9 |
I most likely cannot answer it within 5 minutes when I was that young.8 a# \1 j) v5 M
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。* _) }; T2 B, p, L2 L- h# i! Z2 y  y
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6 V& M2 _' a. O+ C# g1 u! h
+ o- [, D4 p5 [$ \3 L
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則