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
( \" ^0 k1 x4 A/ ?公仔箱論壇& {5 O6 o% b3 Y7 C: B
is it b??

roymak82

thanks

iii222

I think is C.公仔箱論壇8 ~4 I) n1 ~8 _' ]/ e

) Q" h$ ^0 X/ D: F9 k# i$ S7 `Since A & B will have no way to know, and D did not know the answer.5.39.217.76( ~- ]3 K8 t" Z$ O. Z1 p1 b( ^3 q
tvb now,tvbnow,bttvb1 z$ K/ y# j/ a: T7 ^# Z' i
This is a tough question for grade 1.  3 ~9 K$ f" A/ ^9 K6 ?- Z/ {
7 M9 W7 _* W6 M" Q& B; h
I most likely cannot answer it within 5 minutes when I was that young.+ f/ y+ Q& `9 V' N8 c% M

6 r$ ]# F# s, R5.39.217.76Wow, 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" ^_^
$ r# Z  z& H, S3 d5 d. B5.39.217.76
5 D6 ~, H8 i, `2 }( v5.39.217.76偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則