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
% V! Z' Z6 S* }. a- \; g% E+ yTVBNOW 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。
+ p4 v7 i! ]9 [) v, ~* T' [is it b??

roymak82

thanks

iii222

I think is C.$ V* V7 h# G# m
tvb now,tvbnow,bttvb" k" H5 j/ H/ ^( R
Since A & B will have no way to know, and D did not know the answer.
- I) K9 l: z& J/ Q% c# a6 _5 @- e公仔箱論壇
) P0 X" f  F6 s- A# z. uTVBNOW 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。This is a tough question for grade 1.  
4 A4 p5 A% k' p公仔箱論壇tvb now,tvbnow,bttvb# r, X/ o( Z) T5 n! x- m3 m' A6 z, K
I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb  z  z" Y0 U0 Y/ v  w2 A. A6 R
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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" ^_^9 Y7 N6 {5 W. h0 b( F
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偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則