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 公仔箱論壇! R1 y+ v; h% P9 ]4 z

* ?; e% l5 {0 G" `. T5.39.217.77:8898is it b??

roymak82

thanks

iii222

I think is C.
* D2 K/ h# w. X  p( T$ r公仔箱論壇9 x+ O2 w' y0 w* \  c/ R9 r$ W8 c0 S
Since A & B will have no way to know, and D did not know the answer.
. @8 V+ c+ m% ]
% z7 V( {/ h8 W. L6 ?" |" w# U7 B0 F- m8 oThis is a tough question for grade 1.  / r# i$ J' v: T! B/ P4 ^( u
5.39.217.77:8898+ c( {3 R1 U* ?0 _
I most likely cannot answer it within 5 minutes when I was that young.6 a0 O5 M2 `- m  x

/ c' ~4 v! O% b6 S1 g$ Y( C: fWow, 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" ^_^7 P" j" a+ q5 m2 y, o# n

! W' f& A3 v3 j. F公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則