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
4 i5 i# L. t* q6 J; ^" u公仔箱論壇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。* t9 E! w7 H# F; ?3 L1 k% X
is it b??

roymak82

thanks

iii222

I think is C.
4 V- q& z, v% m$ y: a# qos.tvboxnow.com
+ P- L0 z% {  T# n9 ]  A5 ltvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.+ ]  M5 ]% B7 |
公仔箱論壇; Q* v& f0 z8 w/ \& c
This is a tough question for grade 1.  
' f* @4 \/ ?; X  Zos.tvboxnow.com
( W0 ~# Y0 [7 j: ~$ N/ R7 o; _I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇, z! ~( u0 j' |: Q
tvb now,tvbnow,bttvb# o; x1 c" D4 r' B" P' S) x  j
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" ^_^公仔箱論壇! n$ a" |! Z" r6 U
公仔箱論壇8 c3 x0 Q( P2 N/ @* y2 ^9 ?
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則