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
; |* H% {) d8 G1 Mtvb now,tvbnow,bttvbTVBNOW 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。8 ~$ |3 r( t) _0 g  P, |
is it b??

roymak82

thanks

iii222

I think is C.+ b7 Z& k  w* e0 U+ m9 m

) [4 T; j( r" v6 r& @" J/ N5.39.217.76Since A & B will have no way to know, and D did not know the answer.
, b( J6 j& v# K) i. E( WTVBNOW 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。3 n7 |, L6 C+ j+ _
This is a tough question for grade 1.  
7 ~0 K2 e. r4 O* @公仔箱論壇
6 E, k0 T/ S% V, vI most likely cannot answer it within 5 minutes when I was that young.( V# A/ @1 Z; h

+ _' R+ z) k. @! l3 J) i, o5 l6 n公仔箱論壇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" ^_^公仔箱論壇8 \. ^3 W  W. y' D, g

; Z1 H: H* k1 Gtvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則