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 [( `5 D% X7 M; l+ J+ ]" stvb now,tvbnow,bttvb1 ?: I) W& m; N  H/ _: \- D
is it b??

roymak82

thanks

iii222

I think is C.5.39.217.77:8898; w( c$ e4 @  g- H

. q' Z, E& I" p. R- }, J3 D, d公仔箱論壇Since A & B will have no way to know, and D did not know the answer.
, p/ W9 }5 u2 P  X9 J  b) k3 p1 \9 N: T5.39.217.77:8898tvb now,tvbnow,bttvb0 T6 T9 s1 L% w& {- j, _
This is a tough question for grade 1.  公仔箱論壇# e# a: K2 @. `" @
公仔箱論壇* R, j/ X) |% b
I most likely cannot answer it within 5 minutes when I was that young.
7 S' e& F5 L4 @7 }8 u
( X  ^6 A+ K8 ?$ W5 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" ^_^, G7 r5 Q0 U8 f: w: A7 W8 I

% o3 Z/ d, Z& t' y偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則