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
- {8 b; e' x$ X+ X0 t, \0 e+ C3 ~- q) `1 h  m: K# G  }* {( L
is it b??

roymak82

thanks

iii222

I think is C.
8 f" ~* a1 f0 x+ G1 t* \  H! {/ C. {
: P2 k* u, X, itvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.; b5 c# \" {9 u( `

: u* T, g0 B; S; w% ptvb now,tvbnow,bttvbThis is a tough question for grade 1.  
, W9 K( Y& ~% q: U4 f2 \  z1 n5.39.217.77:8898
6 a0 `& V* M  a3 Y) B6 ?tvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇- f. m8 `  s+ ^- N1 P( A

: z- {% i# G1 P% k& CTVBNOW 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。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" ^_^5.39.217.77:88982 M# J5 G3 R& @6 b0 U2 L7 E
公仔箱論壇1 `/ J, c9 R. g7 S/ A
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則