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
  c+ i2 b: g2 c6 y( b5.39.217.77:8898公仔箱論壇2 ~  x* c  K9 v3 ]7 D3 |
is it b??

roymak82

thanks

iii222

I think is C.
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9 {7 ]) n8 `% KSince A & B will have no way to know, and D did not know the answer.公仔箱論壇( x8 M- X) J9 H' U% k. K8 _. h
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This is a tough question for grade 1.  
: R( O# f0 e. K9 ~/ W% C5.39.217.77:8898TVBNOW 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。: V$ t' k# ^0 r
I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇% z) j. z& c. R: Y4 ?
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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" ^_^
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偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則