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,bttvb1 z% z0 c# }# k8 I$ I
公仔箱論壇5 G2 i; |8 j. d& h% R3 [# y: T7 }
is it b??

roymak82

thanks

iii222

I think is C.
5 u; C  K& t& R: S) v5 `公仔箱論壇
5 S" x, L  b& h' n1 u& Z+ H) Q! X+ C. Q公仔箱論壇Since A & B will have no way to know, and D did not know the answer.
) Q* X, U" _, `0 Q5 Y2 E
% @. k" @4 G$ t% ^& `+ ^2 q2 jwww1.tvboxnow.comThis is a tough question for grade 1.  公仔箱論壇  V0 J9 J) v8 ]' [8 ~6 ~; O
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。9 t* D5 T; z1 l
I most likely cannot answer it within 5 minutes when I was that young.
4 u5 V! M2 Y- fwww1.tvboxnow.comtvb now,tvbnow,bttvb/ Z$ }4 I- A% b
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" ^_^
+ o4 z9 w: ]; F5 h5 Ytvb now,tvbnow,bttvb9 A5 {: M7 @9 S6 r. j& g+ T4 J
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則