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 - i# X( w0 M: b7 |
tvb now,tvbnow,bttvb+ \# t4 ^) _2 d4 c9 g: S
is it b??

roymak82

thanks

iii222

I think is C./ B2 l7 |& K9 \& V3 ~9 |( X8 m
0 i' F. T  \4 P1 D
Since A & B will have no way to know, and D did not know the answer.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。, [/ ^) D. n  ]  J5 E1 K: l
公仔箱論壇5 l$ M$ D7 X( E3 g, k. r- ^. T
This is a tough question for grade 1.  
  o/ p& F' t7 o% K公仔箱論壇
+ y/ a4 O9 g) v% `. ~tvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.
/ v3 `6 D8 B( W  Z
2 [8 g! W- j6 o, o( T. s0 F3 \tvb 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" ^_^
7 E' I! d5 r6 [公仔箱論壇1 l3 v. I2 m5 q' e9 ^- }  {4 `" ]
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則