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.
) ]  f- Y7 ], z6 O9 ~8 TTVBNOW 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。0 F! G' T2 v6 @# _' ^* v4 Z: t
Since A & B will have no way to know, and D did not know the answer.tvb now,tvbnow,bttvb' A- R( Q* k6 T% i& Z* Q; I
tvb now,tvbnow,bttvb; i0 D  Z( [, {" d
This is a tough question for grade 1.  
/ A5 ~1 ~9 |+ ^1 F! q3 N6 o! o+ S公仔箱論壇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。$ \/ }0 w8 R- E( {- R) T
I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇1 `* m( i' b3 Y1 b+ S; D& t

7 M, a0 j$ }$ |  C$ t  |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。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" ^_^
3 ?: o& M: C) g, }5.39.217.76
/ n# u8 j' K3 y+ S偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則