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.
. y  x6 Y+ A) L: X, @. LTVBNOW 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。/ t% @: P: N8 j) Q% u' w
Since A & B will have no way to know, and D did not know the answer.tvb now,tvbnow,bttvb. g9 j! q' D1 f$ V" A' t1 d" R
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This is a tough question for grade 1.  公仔箱論壇" Y, }+ G# l! s  t  Z3 q& I

# j+ @: i! v( ]9 Y: ?; s. A. ]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。I most likely cannot answer it within 5 minutes when I was that young.
- R3 `9 R; k0 F2 q6 c6 v公仔箱論壇tvb now,tvbnow,bttvb9 ^. ^7 k; w" u- ^
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" ^_^www1.tvboxnow.com. e, _; p* c4 K3 U) ~

9 `: V" M8 D8 F! Ktvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則