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! T  S' C! ?( F8 C

( j( {9 N5 }. x7 T: Qis it b??

roymak82

thanks

iii222

I think is C.
# j# N0 H: `: i/ @7 @; j& y- S) Utvb now,tvbnow,bttvb/ Z1 M  l% |% H4 p
Since A & B will have no way to know, and D did not know the answer.
' N9 C6 ]: u9 E2 t5 J& twww.tvboxnow.com7 x* J: {5 B; w7 ~4 W
This is a tough question for grade 1.  
0 p# T# \3 U. htvb now,tvbnow,bttvb1 c$ t( Z; i* b! R. t# [
I most likely cannot answer it within 5 minutes when I was that young.
( D! ?2 [+ B" {* O& o' p& _tvb now,tvbnow,bttvb
% s/ k9 Q  X( e7 [* b/ [0 @% @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。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" ^_^8 }' v- G$ a+ c8 ~' _

4 J. h! ?/ x4 b; Y6 P; z偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則