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
) x; S4 v! v3 y; `# p; v$ E, c+ R公仔箱論壇7 A8 b3 v+ Z+ }+ E5 X
is it b??

roymak82

thanks

iii222

I think is C.+ w1 Z9 M: Q4 C! t: v( H

/ m; p% b1 N4 W- K, ]2 t/ n2 ~5.39.217.77:8898Since A & B will have no way to know, and D did not know the answer./ g! l6 g& Y( n0 X
+ G: j% V9 x/ W
This is a tough question for grade 1.  公仔箱論壇2 V' }" a/ Z$ {; @' U. ?
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。' a* E* G# P  S! m$ j. D* j* A4 _
I most likely cannot answer it within 5 minutes when I was that young.
  X2 j/ m+ `& f5 d. b# E$ F) g
9 Y) g+ Z& U! A; h6 w+ qtvb 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" ^_^
! e$ Y9 e6 U) H7 E% m9 X5.39.217.77:8898& R. F; @" z9 u& O  p; r& u
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則