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 5.39.217.77. m) _. }2 C- O" G  t
tvb now,tvbnow,bttvb& s3 U* g& R% X7 p5 w! @' i" j
is it b??

roymak82

thanks

iii222

I think is C.
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  g3 C  G& ]8 K* u# M3 ztvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.5.39.217.77" g& g. [  H6 N" h! k% q; t" c. R- c
1 y2 c& v- j/ P! Q* y3 }/ O3 m! H
This is a tough question for grade 1.  
9 E; P, k' Z: s" Q7 L. a6 M; T5.39.217.77# }" k* f$ C7 U, Q0 L0 j
I most likely cannot answer it within 5 minutes when I was that young.5.39.217.770 G6 X' {! P2 L) b6 ^* q/ S; b; Y
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。' n3 R7 j$ z+ W* Y) D# m5 u, f8 N% u
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" ^_^( f3 Z/ J9 @8 b3 n$ q7 e0 [
tvb now,tvbnow,bttvb$ n2 f' w- G* r6 ]8 I: G
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則