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
$ X3 B( y. ^% V' h- K5 j7 Bwww2.tvboxnow.com
& H$ k+ @; B% _www2.tvboxnow.comis it b??

roymak82

thanks

iii222

I think is C.
3 d9 k& S* ?7 Z8 E( e- etvb now,tvbnow,bttvb1 Q' Z6 v; w. h4 Z1 n# `
Since A & B will have no way to know, and D did not know the answer.
% u; M4 n% w! W) z) U8 qTVBNOW 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。www2.tvboxnow.com! i) U# j+ \/ a& E$ j, @1 h* E  A
This is a tough question for grade 1.  
* [- S/ ^. |" {% F- Y公仔箱論壇
5 {+ X2 j' c+ l) h7 Rtvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.
# N" q7 U5 G0 D) V$ i) LTVBNOW 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。) d' J7 m( J, _+ t" Q
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" ^_^
- X; n: X" P! O5 K公仔箱論壇公仔箱論壇* i- l. Z- r2 u7 P
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則