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
/ H: ^) U( ~4 Y6 g1 S" q& F公仔箱論壇
, X3 R  ]! q% K* r: b3 J% ?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。is it b??

roymak82

thanks

iii222

I think is C.3 {$ R' J" p! Z
5.39.217.77:88983 Z1 |8 x' j4 }4 i0 h8 }' `1 X
Since A & B will have no way to know, and D did not know the answer.
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This is a tough question for grade 1.  
1 s6 }6 ]2 e, n8 o6 ]& b公仔箱論壇tvb now,tvbnow,bttvb( p5 U0 g2 _9 a: B
I most likely cannot answer it within 5 minutes when I was that young.$ C: n: j  a2 s+ |1 Y9 y* l

! ?3 o- G- O2 e; C0 Q. ~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" ^_^
5 u: \, E: X3 {+ @$ H) jtvb now,tvbnow,bttvb9 p+ L$ z3 [0 b# K* J& l! z& [
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則