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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4 g% R9 D0 @  G/ Y, ^tvb now,tvbnow,bttvbis it b??

roymak82

thanks

iii222

I think is C.
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2 N: w: u  Y2 Q3 K9 tSince A & B will have no way to know, and D did not know the answer.% F# K6 O$ [1 ]  j+ E  |

3 m% }6 `8 v6 F0 F8 N公仔箱論壇This is a tough question for grade 1.  ) G% {9 G) ^6 J8 R% z% T, t9 E7 h. Y" l
公仔箱論壇" g: i% C$ Y" ^" V
I most likely cannot answer it within 5 minutes when I was that young.; i0 M. [4 C) W& j$ C9 M

$ Y5 Q2 }, ]9 w5 m1 zWow, 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" ^_^5.39.217.760 t  g2 E& R/ K
1 D* _& L/ F) S5 B
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則