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
0 h+ C0 i+ G8 n/ Y4 n
' \0 M4 D! U9 H! I5.39.217.77:8898is it b??

roymak82

thanks

iii222

I think is C.! p' i6 ~  h# K4 G" Z
tvb now,tvbnow,bttvb6 _4 G7 s/ v& f& o: q/ F
Since A & B will have no way to know, and D did not know the answer.
' ^' a' l. a$ k8 q5.39.217.77:8898( ]1 m) `% i0 `+ B
This is a tough question for grade 1.  
8 h8 J6 ]9 d- R; a2 d' x& T0 V4 Ytvb now,tvbnow,bttvb
% }0 F! D" N" T6 n. a) qtvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.
5 _* [! n8 N  a. U$ N- S* V5 ^tvb now,tvbnow,bttvb5.39.217.77:8898/ R. H3 Z+ D8 h, M
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" ^_^
$ m- N1 _! x2 X1 `) h5.39.217.77:88981 H( c& j; t; P2 D3 T
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則