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
9 h. b( t$ ^. D' C) e' \" {: g9 N1 h4 h, ^2 C7 P+ ~9 u$ D
is it b??

roymak82

thanks

iii222

I think is C.
9 g( E0 E  y- `* M0 E% W. W公仔箱論壇' b* i6 e8 F- z* D4 Y2 M6 Q
Since A & B will have no way to know, and D did not know the answer.5.39.217.77& k4 R4 Z4 k! T% k

3 B9 \: p' M, q" v* O% i" Gtvb now,tvbnow,bttvbThis is a tough question for grade 1.  
/ F; X$ J& M$ V; V. ], j" q5.39.217.77tvb now,tvbnow,bttvb/ w  ?8 D$ v' i! i$ ?- U
I most likely cannot answer it within 5 minutes when I was that young.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。) r: ?6 b3 P- K5 b9 u
tvb now,tvbnow,bttvb" \) K, n6 f: `) \# R
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" ^_^
, }8 }1 T% {" C; c$ c公仔箱論壇
! f' Q$ R# l# Z* [0 `- c公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則