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  N; g6 C& V) GTVBNOW 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。5.39.217.77:8898$ Z" l& k- ~0 m  O  P
is it b??

roymak82

thanks

iii222

I think is C.
: n1 B* L# P1 f/ k# F5.39.217.77:8898tvb now,tvbnow,bttvb3 T: E8 f6 G: U# J2 S; f% [
Since A & B will have no way to know, and D did not know the answer.公仔箱論壇! {+ q' r& Q( X  L3 Q0 C

9 Z, {; z" s$ `. t, C! J9 @% ]公仔箱論壇This is a tough question for grade 1.  tvb now,tvbnow,bttvb2 b0 l# l! o0 g- C3 T" u6 G

! h" ?  h) [& ctvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.
& L4 R0 G5 `4 h3 ?& c- Q) sTVBNOW 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。/ z6 _8 r! t! u4 _# d
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" ^_^
3 @5 _8 J: W5 i% C5.39.217.77:8898  d4 a: ]) O8 [: Y2 \7 K
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則