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
; K; b4 V" ~/ f& R- R公仔箱論壇5.39.217.77:8898% |5 Z8 Z- I, K5 s
is it b??

roymak82

thanks

iii222

I think is C.
! |& O, }2 I: Z' @) X公仔箱論壇6 B; Q  S& ~) K+ o
Since A & B will have no way to know, and D did not know the answer.
3 V, A. ?3 l8 u  u: x5 B5 ^公仔箱論壇
* ]9 N) @8 g4 r. I: T8 r. |This is a tough question for grade 1.  
  K+ e  Q; k* [/ h) PTVBNOW 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。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。" X; g' x. @4 G
I most likely cannot answer it within 5 minutes when I was that young.4 X: t1 `. d* N* \9 E$ n4 o$ k7 f  n# G; S

% J3 C8 \4 u4 e. l4 J) l# n: u& h. xWow, 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" ^_^
( P. t- g- Q: N3 C
2 m. _% H* Y: ~/ P  [6 t( R3 q8 \偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則