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
& ~: W  H( @/ u: M) W- ^0 O公仔箱論壇
) x) t- U/ l0 Fis it b??

roymak82

thanks

iii222

I think is C.
  `$ l; N/ }! B! u# f' ^; T
. l# Y, S) Q7 d. A4 z  Ctvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.
8 W5 \$ A: R1 p" r; b% S3 G- J5 n
/ R* n( |/ o' T5 W' Ftvb now,tvbnow,bttvbThis is a tough question for grade 1.  
& Q! t! e8 v) G9 l. i5.39.217.77% E0 f8 b$ D- [* C7 S1 g; `9 x
I most likely cannot answer it within 5 minutes when I was that young.5.39.217.770 V' X5 L4 V6 p0 d
公仔箱論壇& f5 i0 N$ h9 ~6 A; O& F
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" ^_^5.39.217.771 z. T/ c( L3 c3 {* P$ o

6 O6 S6 m. S( s4 U6 T! Mtvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則