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
% }3 d2 a. U) ]) \* I6 dtvb now,tvbnow,bttvb
( c- U9 t0 z& {6 `9 L6 nis it b??

roymak82

thanks

iii222

I think is C.
# }, V7 s: A' P# M0 I! G2 r公仔箱論壇
% M! s7 a# [7 A3 ]Since A & B will have no way to know, and D did not know the answer.
9 Y8 P( d) B2 U7 r, ^9 c
- H+ k, X5 Q* {8 C+ d' R2 dThis is a tough question for grade 1.    w/ H) `- a2 }7 ^! {7 k
公仔箱論壇) m& ^2 p7 K  b9 Z" {
I most likely cannot answer it within 5 minutes when I was that young.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。" P8 D$ b& m; h( J
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。' O- T! I6 W$ u$ h* W
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" ^_^5.39.217.76* \' G# `6 W9 l) b! N

3 t8 \; b/ u- f$ A! d5 N) A9 n& n$ E公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則