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 , d4 g$ i7 n" R
公仔箱論壇. E+ V5 F; w$ J
is it b??

roymak82

thanks

iii222

I think is C.
: L2 f% w8 ^6 {4 c2 ^5.39.217.76
( M* R! {: s; c. {/ |2 Dtvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.
) Q* S7 Z9 N% n8 h' h: j1 R5.39.217.76
7 D) @7 q6 c1 W8 c* ATVBNOW 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.  
3 ?* \  c3 g; Z* P. n3 k; Xtvb now,tvbnow,bttvbTVBNOW 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。. s( u4 R6 e- _' L3 F
I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb! H( T7 u5 ~$ C9 Y! T# B

- `; s$ }4 U$ S7 R: ?0 A" w* stvb now,tvbnow,bttvbWow, 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" ^_^5.39.217.760 U0 C7 i9 v* c8 j" j0 `- ?
5.39.217.765 w: Q+ m3 _* w! s0 u
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則