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
! i# r9 _; M! C. u7 \- z& B' stvb now,tvbnow,bttvb! y3 D2 v2 U; B! c6 w
is it b??

roymak82

thanks

iii222

I think is C.3 H2 ~& |( @  L5 r

4 B, a4 P4 k! z1 G: s0 y# gSince A & B will have no way to know, and D did not know the answer.
) j$ q( P6 D9 @3 _7 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。
2 |! w. r: ^: k公仔箱論壇This is a tough question for grade 1.  
  h% z( _0 l2 I/ i% F
- x/ d8 z# z/ o3 @; dTVBNOW 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。I most likely cannot answer it within 5 minutes when I was that young.
7 _; j3 Z6 k1 j) _0 ?1 g; X. p公仔箱論壇
, D% l$ D" T' ?7 H6 H8 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" ^_^tvb now,tvbnow,bttvb6 V7 Z, m$ S( h# X. q

1 x3 M: o* ?! Ttvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則