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
6 ^, d+ u+ |( R# L& Y" t) ~5.39.217.77:8898
0 H( W; y9 Z- t3 T9 P公仔箱論壇is it b??

roymak82

thanks

iii222

I think is C.9 X9 H7 E, J+ R$ U: [

. i+ [8 o: u1 j$ {; N: k: p公仔箱論壇Since A & B will have no way to know, and D did not know the answer.
% v. b" t9 W, W& k& ^, k. W8 V
/ |1 i: e( X" z( N3 ftvb now,tvbnow,bttvbThis is a tough question for grade 1.  
5 c5 ]* D! k! g! C2 h6 i: d公仔箱論壇0 j! s& U: Z% w' ~$ w
I most likely cannot answer it within 5 minutes when I was that young.5.39.217.77:8898% n$ S1 }# E+ ?
3 y0 J; `- K# T: @3 c1 s- ~
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" ^_^公仔箱論壇- K; o( |. p3 f
tvb now,tvbnow,bttvb1 Z% t/ Q8 h5 k; s, B
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則