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 2 a, n, L- U4 x
) u2 I- i$ i  X# A' V. Z  n
is it b??

roymak82

thanks

iii222

I think is C.
. K4 n) D! R9 e5.39.217.770 R' `/ T8 s( s( K2 u6 @
Since A & B will have no way to know, and D did not know the answer.
, g1 k. S% c) H" S% \% E/ otvb now,tvbnow,bttvb
2 y' ]; c& T  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。This is a tough question for grade 1.  公仔箱論壇: B0 ~5 W  h% p. q; w, ~% }; S. W

. j" Q  q8 S4 \" u- FI most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇' B3 y; x/ U4 h: {; N

4 b7 g* [0 H2 J1 @# P3 k公仔箱論壇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" ^_^2 q+ F8 y% f7 e* R  a& z& I

. \- W. U  s- b1 d' B0 {6 ]偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則