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 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。8 [5 M; L) i" L' N2 X+ L
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is it b??

roymak82

thanks

iii222

I think is C.' \2 l1 X" ]' O# F" |4 e
tvb now,tvbnow,bttvb! M0 h# G9 S3 P% Q% `# h5 G1 A
Since A & B will have no way to know, and D did not know the answer.
2 j$ x$ e1 B8 s. D8 |1 K1 OTVBNOW 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。tvb now,tvbnow,bttvb; y/ M1 E' p4 y6 }1 E) _
This is a tough question for grade 1.  5.39.217.77:88989 s/ A* X5 y& I# a4 j
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I most likely cannot answer it within 5 minutes when I was that young.- a, {1 x# Y6 L& v2 u* s

* i( @" e- {# HWow, 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" ^_^- p: P6 ?! S/ C" |1 ^& D
公仔箱論壇+ n) Q0 d  e  S7 F
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則