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& T7 t3 J" c7 H' n& [9 v8 r
公仔箱論壇/ T% j+ Y/ B& K- ]% ~5 b
is it b??

roymak82

thanks

iii222

I think is C.
* B" h+ C0 O# q, ?1 z
3 [4 H7 u1 `( z& v* m# e5 b+ s! jSince A & B will have no way to know, and D did not know the answer.
9 G9 k' N* g8 r! C
8 d$ N. |1 ~9 s5.39.217.77:8898This is a tough question for grade 1.  
9 w/ M9 a4 H5 w, _2 d" itvb now,tvbnow,bttvb5.39.217.77:8898& B' D, y9 e/ `1 S  Y% `+ d$ c5 u
I most likely cannot answer it within 5 minutes when I was that young.
, O4 k6 t! g- b4 A  Z$ O6 \/ dTVBNOW 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。
+ F/ W# b0 J. CWow, 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" ^_^
- N% A5 S) o( Ftvb now,tvbnow,bttvb
; s" g8 `* s- S8 e5.39.217.77:8898偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則