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 tvb now,tvbnow,bttvb0 Y2 _( G  Q# }9 U/ X
tvb now,tvbnow,bttvb( }: ]& n& r1 J/ o+ w% }
is it b??

roymak82

thanks

iii222

I think is C.www3.tvboxnow.com2 h2 ]! x0 \7 Q1 f6 S6 g
8 E& B6 K$ {  M1 j, Z7 @
Since A & B will have no way to know, and D did not know the answer.www3.tvboxnow.com, \6 ~/ k8 {7 j! F
www3.tvboxnow.com! R0 p/ ]( m1 P
This is a tough question for grade 1.  
: F. h5 y, H+ U  G0 }
3 H  X5 f) G3 E! N4 X% F4 A/ Ytvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.
8 A' W' L; Y- M9 F. N
. Z! R7 n. E% t8 l4 UWow, 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* v" k' l  Q- ]

2 x) P# f/ P6 j# a6 T9 p偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則