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,bttvb; m- c4 h* Q7 D9 y7 b0 H

) L% E( v5 [* ^is it b??

roymak82

thanks

iii222

I think is C.公仔箱論壇8 A. B* I9 ]3 p9 M+ D% w
公仔箱論壇, a0 i# q1 u$ ?# I0 V$ A; B
Since A & B will have no way to know, and D did not know the answer.www2.tvboxnow.com3 r' w6 \+ m+ ~6 o7 J
公仔箱論壇7 A* ]+ r: `; A, j/ R3 s0 [1 ~
This is a tough question for grade 1.  
- x  a. ~- I9 N: Q9 H' V0 ~tvb now,tvbnow,bttvb
' {9 d- R( B" a6 o( Ewww2.tvboxnow.comI most likely cannot answer it within 5 minutes when I was that young.
7 v, R8 }" c+ ^$ T
* L3 \/ k8 X; B7 Q$ K+ p% k% d3 Ltvb now,tvbnow,bttvbWow, 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" ^_^
* _+ o) v) G8 h1 F( ?
& o5 K- i+ k2 _" k, I3 P5 c3 Jtvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則