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
+ v3 k* |8 B& l, K$ ttvb now,tvbnow,bttvb/ O% r% M% S- Y9 g# P5 ^
is it b??

roymak82

thanks

iii222

I think is C.
8 i- |9 a2 C+ `. o4 X  Q- ztvb now,tvbnow,bttvb
9 T; v% g1 S. F, H( F# G5.39.217.77:8898Since A & B will have no way to know, and D did not know the answer.; [/ _6 N$ _1 |/ c; B* R5 T
5.39.217.77:88989 y  f8 X! E, m! |5 b  C0 X9 l
This is a tough question for grade 1.  5.39.217.77:8898& E; n9 @/ q/ e6 M1 q! f4 t7 Y
* \3 q4 z8 {3 m
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。* n$ C/ I) I  f# b

1 y% M/ j9 r+ d* G) U! _4 x; HTVBNOW 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。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" ^_^5.39.217.77:88985 g" h: S1 G) s
: b8 q& f& w: E. G0 n
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則