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 2 F; ]1 g5 z# T) w8 Z" V
tvb now,tvbnow,bttvb$ A; ~+ F4 v. ~& o+ X0 |
is it b??

roymak82

thanks

iii222

I think is C.
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Since A & B will have no way to know, and D did not know the answer.
! R: i) Z& ~! H8 B6 @2 v% @2 X公仔箱論壇
; f, ?, C$ |3 z* Y3 T5.39.217.77:8898This is a tough question for grade 1.  
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I 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。/ m" i2 L. r& ~0 j; C. ]! Z- V

3 T' f' i0 j% B( EWow, 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" x; P7 ?, u8 Q; e* N& n/ `) M2 v

8 i* {: Y+ l: V偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則