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,bttvb3 E; ?- d: |0 V9 O- Y# ?4 D
公仔箱論壇$ Y% s$ ~' m1 V5 D. b; Q* S
is it b??

roymak82

thanks

iii222

I think is C.2 @2 m( K4 _. S( Z7 H+ Z' w

# v. v- ]9 U: D: b% JTVBNOW 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。Since A & B will have no way to know, and D did not know the answer.www3.tvboxnow.com7 J( ^5 v5 Y1 J. f3 |  C: u% v6 U

* c8 k; ], k2 O8 ]2 p1 q9 \# 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。This is a tough question for grade 1.  
' A: r& W) A) F* @) `( F' I9 O公仔箱論壇
$ {% B0 k+ H* z+ _, Ftvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.
, T8 C* V$ c8 @+ j1 x6 A+ L8 H* y+ ~tvb now,tvbnow,bttvb
( Q6 v7 g9 D# k- y( a1 MWow, 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" ^_^www3.tvboxnow.com6 r: _4 U" k2 n
公仔箱論壇0 F- a. q1 D5 H& q& k7 u! P
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則