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.
, D1 d/ v( P; q$ t4 a- k  z: d3 STVBNOW 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。
- M. m8 Q4 |3 ^7 stvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.
; {* e+ d4 o4 l& c# m% ^3 Btvb now,tvbnow,bttvb公仔箱論壇5 V! |! Z! F: I7 w) p
This is a tough question for grade 1.  www2.tvboxnow.com4 i5 z/ m* R, ~( e5 ~0 R. v: a
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I most likely cannot answer it within 5 minutes when I was that young.
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( k. v# w; V$ H7 R5 X  ywww2.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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3 E/ @0 H, ]# h# n  S% Y4 h" G偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則