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 公仔箱論壇4 D: A8 ^3 h% H6 x: \$ @- N3 z
5.39.217.77$ v6 t# v. n4 Y1 r
is it b??

roymak82

thanks

iii222

I think is C.
: K2 J6 Y5 k6 R$ Ztvb now,tvbnow,bttvbTVBNOW 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# c+ B3 J0 B" E
Since A & B will have no way to know, and D did not know the answer.3 @4 d2 d# B( N3 S9 k1 O6 K
' M- D# m1 L5 K
This is a tough question for grade 1.  公仔箱論壇4 N7 n1 l3 U4 C7 ]& l  ?

- z! T0 ^+ B, I4 f* zTVBNOW 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.公仔箱論壇! v) C* ]8 e+ H, @5 n6 Q

) ~( h$ P( ?# e$ ~, O+ ~( L" Gtvb now,tvbnow,bttvbWow, 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