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
! B) b! x% A7 B5 ]* Mtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb' `/ I8 ^- s7 q' T3 T# ]
is it b??

roymak82

thanks

iii222

I think is C.
9 R* q2 G2 d  h+ x: \/ I' E+ m- O* y0 z! S9 _2 m2 q' C8 N
Since A & B will have no way to know, and D did not know the answer.公仔箱論壇  O* Y8 ]* K- L4 Z$ o5 \
tvb now,tvbnow,bttvb2 V8 N7 S" b5 @6 r7 W
This is a tough question for grade 1.    }7 h8 N3 ~+ v% y- b4 H
tvb now,tvbnow,bttvb/ \9 H* D* L/ z/ n6 ^
I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb) h* @6 W) e1 M. B% M3 E

: N3 y* x, ]% `, X0 d5 r7 ~  _( b公仔箱論壇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" ^_^
* Y: b- G: D+ G+ Bwww2.tvboxnow.com
6 Z" A3 A2 r7 Q7 V7 ?偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則