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
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) {/ k) ~& n: o公仔箱論壇is it b??

roymak82

thanks

iii222

I think is C.
- a- k% _8 A  N) J4 ]" n公仔箱論壇www2.tvboxnow.com( h( E4 h; n1 u: [& t
Since A & B will have no way to know, and D did not know the answer.
1 H& e' S; {; n4 e, K, I& ]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。2 g$ q  a# ^: t( r# y/ t0 h
This is a tough question for grade 1.  
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5 n; E9 c1 C9 M' p3 Q" Q2 V公仔箱論壇I most likely cannot answer it within 5 minutes when I was that young.% I) Y# k* o  G5 |% c( d. U4 T

% q+ \  g! J; R- Q6 @6 O& U! m3 b8 kwww2.tvboxnow.comWow, 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" ^_^
5 v2 b9 p4 [! o- G% f! c
: E3 G  D: L2 C! e9 f* E% Y偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則