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 . x' G; {( _, H
公仔箱論壇3 {  p/ f; f; J$ M
is it b??

roymak82

thanks

iii222

I think is C.
% s- c$ t: Z  E* I0 k# u* V公仔箱論壇
' c, D& L0 F1 I4 W/ kTVBNOW 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。Since A & B will have no way to know, and D did not know the answer.tvb now,tvbnow,bttvb8 B0 f8 f! q" T: y5 A) [" k
5.39.217.77:8898; Q) R" a! M7 a2 _7 S
This is a tough question for grade 1.  tvb now,tvbnow,bttvb8 W( q: c& S0 \1 M# U2 _

- c/ \; e+ L. s# l7 lI most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb) r4 g8 V/ t5 g' y7 Q

' x2 k) m, {. v( g/ q; M+ ^3 `% N5.39.217.77:8898Wow, 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" ^_^5.39.217.77:8898; T" T# Y! S$ q* v- B# X
tvb now,tvbnow,bttvb) @3 j% h5 [1 b( Z2 m6 k
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則