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
! F1 s; @3 C6 `$ C) b# G
% \3 F$ F! c- |1 Z5.39.217.77:8898is it b??

roymak82

thanks

iii222

I think is C.
  J) ^' E( @) C' U; j, V
4 l. q. \* [4 q* C0 X8 eTVBNOW 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。Since A & B will have no way to know, and D did not know the answer.
, W  j+ _9 Q$ x) S3 _5.39.217.77:8898
) C$ h5 T2 y5 b  }& `5 M( ^5.39.217.77:8898This is a tough question for grade 1.  4 p% v, _8 A" 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。# a/ i" Q/ Q# K0 S2 [
I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇7 N8 A7 {" B/ z2 J& h

/ m# w: B0 `) A. [- i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" ^_^* n# l7 z6 T9 b) W+ y3 L

5 B- s$ ~5 \; P. T! D偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則