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
( J& b: h" U2 q- n9 \8 X2 ?( `0 `tvb now,tvbnow,bttvb5.39.217.767 X$ J: C2 F) F0 }0 ^, m
is it b??

roymak82

thanks

iii222

I think is C.公仔箱論壇( i* W" e: R3 @# J' q" }4 U

/ b( s  F5 t" |1 pSince A & B will have no way to know, and D did not know the answer.
8 a9 m( B$ F4 C8 I% y$ E+ a  Y& STVBNOW 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。公仔箱論壇. k4 ^' {9 m) b
This is a tough question for grade 1.  
! [: x) p* W7 d1 W/ V: `" e5.39.217.765.39.217.76( Z( Y% t; X3 v( L( y3 N& O& L
I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇" [+ h' i* P% s7 a' L
公仔箱論壇* S6 T$ G- K6 q- P% X
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" ^_^+ ]' J+ S. o. x* ~6 H' Q& k" }
0 y/ s. J2 t  X0 i
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則