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,bttvb: e6 Z+ R* h/ N
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" O* l1 V  z+ `# p# S. y5 b; ~# |
is it b??

roymak82

thanks

iii222

I think is C.
0 j2 [2 N/ f0 m& ]7 m4 y( @( l
. N  C, U7 o* N' W! |: o) f) ?Since A & B will have no way to know, and D did not know the answer.
" [& L# y; o5 Y9 m; ^( j5.39.217.76
$ `* S, m, ?* `This is a tough question for grade 1.  公仔箱論壇( c9 Z  P1 m* ]5 @/ O( q

  g' |) P: }& {' d' V  }8 rI most likely cannot answer it within 5 minutes when I was that young.
. |6 d8 D1 o* s/ Y5.39.217.76/ Q* H0 _9 g% s) }8 |9 e
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,bttvb& Q$ ~( x" K; M# H# W- T, T

* z. {0 z" K9 ]5 ]公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則