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
7 [8 }; N' C" L  {- l+ B! G公仔箱論壇
* t* `( u/ e6 e3 @( d+ x! ]+ nTVBNOW 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.
! c5 I9 v- b1 F公仔箱論壇3 k, }' J4 B9 ^) P$ `  \1 h4 v+ p
Since A & B will have no way to know, and D did not know the answer.
; v2 _. K# v" y4 N  w1 {, x' _. p, q$ r* x1 n. G
This is a tough question for grade 1.  tvb now,tvbnow,bttvb. ^" j4 b: j/ i, t6 h

8 o# e9 b4 r6 Q! E$ H( g  utvboxnow.comI most likely cannot answer it within 5 minutes when I was that young.tvboxnow.com' W! [! L2 Y  R% s# n$ n. U

5 w5 {, D3 ]  k6 S% M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" ^_^, i9 n! N5 A+ ~# j

9 a! X& {/ E' e6 X; \$ y' ]' G: N9 htvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則