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
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is it b??

roymak82

thanks

iii222

I think is C.
! G. w. I- X- O& @  `# y( Ktvb now,tvbnow,bttvb公仔箱論壇7 d# A! b/ E0 }- V8 y' ^0 G1 O
Since A & B will have no way to know, and D did not know the answer.
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( g1 ?$ s  }% K( bwww2.tvboxnow.comThis is a tough question for grade 1.  tvb now,tvbnow,bttvb; H1 K/ w; l, X

6 b$ U2 N: z  R! ~I most likely cannot answer it within 5 minutes when I was that young.' {( j# u' P" Z! l& g/ `; u  g9 w* Q

! g: P9 M) H6 l+ z* t: X8 _www2.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" ^_^* Z  N6 ~) z4 V9 M

1 g; D) e, _* r& @: u: \" Ywww2.tvboxnow.com偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則