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
: y. Q% V) z) @2 Z$ H6 n3 Z! S, Ftvb now,tvbnow,bttvbtvb now,tvbnow,bttvb2 \9 [  b( v3 O' t9 `! d0 C
is it b??

roymak82

thanks

iii222

I think is C., O8 F, ?. n2 G) o; Y
5.39.217.773 m  R7 R& }. A& y5 m) i" {
Since A & B will have no way to know, and D did not know the answer.
! w5 Y; ]% J6 N. ZTVBNOW 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 u$ A' U" H! {- D6 ?( u公仔箱論壇This is a tough question for grade 1.  tvb now,tvbnow,bttvb* y  y5 [( s* J3 ]4 r1 ~( ^8 [

" Y5 V5 N& |# i) x( T4 u4 wI most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇/ D& V0 B! |! _0 y

3 ]5 s: j- _, \/ z4 o& ktvb now,tvbnow,bttvbWow, 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" ^_^
: Z6 ^; Q# B5 R% R: M) r( E+ c4 N3 ]7 V
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則