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 tvb now,tvbnow,bttvb9 D; k) b) {7 K6 w1 r

. V0 @% p5 a7 {% m# Atvb now,tvbnow,bttvbis it b??

roymak82

thanks

iii222

I think is C.
' M5 W8 J* q8 q1 P& u2 b1 g( {5.39.217.76
7 H. D/ [. `, i# k# [+ I, k5.39.217.76Since A & B will have no way to know, and D did not know the answer.
6 g2 G* _/ ?  J3 D, t9 _公仔箱論壇; I! d7 \, J/ V- l4 @0 f% k( X
This is a tough question for grade 1.  
, q, z2 W3 _2 r+ T) a) y# ~" Ytvb now,tvbnow,bttvb
! O# h. T* H1 j/ G. J' II most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇& C: c% B! _$ c# Q
公仔箱論壇9 O3 J1 o( b6 w: x
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" ^_^
# X) U: A% ]' Rtvb now,tvbnow,bttvb
* f' ?8 i/ T4 e$ D. T公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則