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 5.39.217.77" x2 O5 ^5 f, f4 k" P# ^6 z$ G( T

9 }( M) I( `# `- J# c, q/ x4 D: W公仔箱論壇is it b??

roymak82

thanks

iii222

I think is C.
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Since A & B will have no way to know, and D did not know the answer.5.39.217.77' z2 x1 Q& m+ @+ J5 u
1 @+ W0 G% T: ~2 I& O8 U$ H
This is a tough question for grade 1.  
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I most likely cannot answer it within 5 minutes when I was that young.
5 t5 B- ]$ ?$ h$ A" n" M% j1 }- a8 v9 C5.39.217.77
+ C9 q. }0 z) D0 N2 rWow, 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" ^_^
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4 Z  ?% b+ j" v3 @9 K公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則