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
  n' W) y) C7 t! n! M% M. P0 l! Dtvb now,tvbnow,bttvb5.39.217.77:8898# K; |) M! y1 U
is it b??

roymak82

thanks

iii222

I think is C.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。7 E& X6 C5 T- L) B
公仔箱論壇2 |1 q6 x  B1 g. E5 ^: r4 Z
Since A & B will have no way to know, and D did not know the answer./ x" |1 F6 a: O$ m( @- V

& B9 z$ d2 X0 {5.39.217.77:8898This is a tough question for grade 1.  
! ~% N/ ^5 c& G& btvb now,tvbnow,bttvbtvb now,tvbnow,bttvb0 n! N# g, C2 ?1 S! J; A
I most likely cannot answer it within 5 minutes when I was that young.
+ Y% h, r6 b' d公仔箱論壇
' R- K! @5 f! |$ v! `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" ^_^
! ]/ L/ B. C6 u
, P2 V* [* E. g1 jtvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則