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
! y- M4 X6 P$ M1 ?os.tvboxnow.com公仔箱論壇$ b# N/ [, b, A6 R1 v# e1 j
is it b??

roymak82

thanks

iii222

I think is C.+ x0 X1 A$ ^5 ]

$ \1 k) o. \3 [# [os.tvboxnow.comSince A & B will have no way to know, and D did not know the answer.
. [9 ~7 ^( b' zTVBNOW 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。os.tvboxnow.com3 b1 m7 M  J7 J5 a1 _
This is a tough question for grade 1.  
; `# }: I3 k* M9 K( n公仔箱論壇
9 O( T2 w& A+ D, u! gI most likely cannot answer it within 5 minutes when I was that young.' a  J6 ?- I' S7 U! f/ A* C* J
tvb now,tvbnow,bttvb- b! P$ P" E/ J$ T- 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" ^_^
* H  j: e# E9 I" y' S, \* j公仔箱論壇
* K$ U9 |9 r! ^& I+ Q; V3 Ltvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則