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- P+ _( a( O3 z4 _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。
$ a9 y0 v7 r* F* ]+ Yis it b??

roymak82

thanks

iii222

I think is C.
; {$ A. g2 I  z# V- a5 i" Jtvb now,tvbnow,bttvb公仔箱論壇! C+ T3 V. D+ i/ I1 F
Since A & B will have no way to know, and D did not know the answer.4 a0 w4 j0 Y9 Y: ^. o. x7 F! V
tvb now,tvbnow,bttvb) i) ]! R- F( I  ?
This is a tough question for grade 1.  tvb now,tvbnow,bttvb0 b6 g, E4 b- l! |0 o

0 i4 P, b' P$ z  Z# ]0 RTVBNOW 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。I most likely cannot answer it within 5 minutes when I was that young.
* ?" P8 O3 |( \- [7 `公仔箱論壇
: C1 i  r, H: I9 ^* Z8 `- UWow, 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" ^_^tvb now,tvbnow,bttvb$ n& s: h2 O5 w- _
& x1 X  h" R1 {% [+ e
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則