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
. u! s. E" [8 C8 w- }0 o公仔箱論壇5.39.217.77:8898) w, d9 {7 O7 V: n/ {0 f
is it b??

roymak82

thanks

iii222

I think is C.5.39.217.77:88983 k% C7 m$ J' t* E. J1 ~* O' F
公仔箱論壇+ I% N4 A; f- U. ?
Since A & B will have no way to know, and D did not know the answer.5.39.217.77:88984 f' q* s7 j( g: ?% F/ h
5.39.217.77:88987 ]. {  D' y& s1 ~; q+ ]$ P$ h: W
This is a tough question for grade 1.  
3 [0 z4 i9 p) S0 e3 [5.39.217.77:88985.39.217.77:8898+ L. J8 \5 u$ j4 x% j
I most likely cannot answer it within 5 minutes when I was that young.5.39.217.77:88986 O- X7 e  T6 M. ~9 r; ]

9 A% U) l$ M0 D3 g( u5.39.217.77:8898Wow, 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$ x0 `2 K5 w6 Y4 f' A

- v6 N; t( m1 I9 b偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則