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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. _1 x1 ^3 S" Q$ E, PTVBNOW 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。is it b??

roymak82

thanks

iii222

I think is C.tvb now,tvbnow,bttvb7 T' D# {/ l- |) J# q- N
5.39.217.77:88986 U' w7 `  d2 p5 b% m' O
Since A & B will have no way to know, and D did not know the answer.
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This is a tough question for grade 1.  
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% I) V. d: o6 [5.39.217.77:8898I most likely cannot answer it within 5 minutes when I was that young.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。2 Y- h9 x$ z  a: |6 N

$ W6 ?7 ^, ], z6 }, {0 X; e公仔箱論壇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" ^_^5.39.217.77:8898: i" ]/ u" l7 u1 E0 p9 E/ y
tvb now,tvbnow,bttvb; Y! e" ^+ U# D) h9 v; a
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則