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.
5 l% c+ p1 ^1 ~. a4 DTVBNOW 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。5.39.217.77; d" ?+ W5 W  [+ Z' a! R
Since A & B will have no way to know, and D did not know the answer.公仔箱論壇/ s7 {$ e! t8 J& O1 S* M

- U3 g9 M* f9 ~2 U" o5.39.217.77This is a tough question for grade 1.  $ J# F; w/ p& w3 q
5.39.217.770 |$ \" @* P! W4 ?7 S2 w$ q4 r# r
I most likely cannot answer it within 5 minutes when I was that young.
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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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2 m5 a' }& x+ V2 r5 G" X0 N偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則