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.公仔箱論壇' `4 J# G; y3 Q4 X. s; p

: F9 H9 b  E3 v, V( bSince A & B will have no way to know, and D did not know the answer.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。- G5 _/ `( T9 r. P4 f
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This is a tough question for grade 1.  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。1 E: j$ E6 A) [7 J' U8 i  p# h
公仔箱論壇" x7 `5 y9 q: X0 |. V
I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb, v: j9 ?. r5 j- G5 F) Z

' }, u( e+ E6 _0 B+ g  j5.39.217.77:8898Wow, 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" ^_^
0 S' L% Z4 u8 ?2 @6 p, |* r7 o5.39.217.77:88985 ?. b& X$ O3 s
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則