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
( P0 l- i; R( k( g% D: Otvb now,tvbnow,bttvb
) h  |, W0 Z/ kis it b??

roymak82

thanks

iii222

I think is C.5.39.217.77:8898, @: D, Z% I: T. Q: U
% Z3 |% D" U: k
Since A & B will have no way to know, and D did not know the answer.公仔箱論壇; [  p. Z' f% f4 F+ Y; Z) N, {

  f7 @8 p( ]/ \" ]3 xThis is a tough question for grade 1.  + z9 F$ X& b. A. Z# b/ k

7 W3 N$ J/ A* x; s$ ?5.39.217.77:8898I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb* _" v1 n! {* v$ n5 N
* E2 ], ?2 q6 m3 x3 W6 G; r
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" ^_^
( a9 t3 r( E8 O
3 a# |  h0 {; P0 [- [+ ntvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則