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
( I1 C/ c3 |& B/ e
$ A, X5 g, \1 ~5 @# x  \& D$ O8 \TVBNOW 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。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.7 W1 ~1 U- r3 L/ Y

* ^) s' M3 X6 V( n0 J: h1 X* n2 }This is a tough question for grade 1.  
2 Z1 T! Z3 m% v$ X8 \5 |- r0 p/ uwww2.tvboxnow.com
$ r( l. T! X- W. g3 S3 l' NTVBNOW 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。I most likely cannot answer it within 5 minutes when I was that young.  j* y# @! X1 W; f1 g& a

( ]% t  V# n) }% q; N! @# z0 mwww2.tvboxnow.comWow, 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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7 l4 s" b/ c( R: L公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則