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 公仔箱論壇% K: F! ?4 E$ r7 n" M3 ]/ T$ t6 F
tvb now,tvbnow,bttvb) }- i4 f5 ^! c8 Q
is it b??

roymak82

thanks

iii222

I think is C.1 n; r9 ~  a. i6 J! P2 \3 S
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Since A & B will have no way to know, and D did not know the answer.
9 F5 ^1 i: E7 y7 p% e" Y5 V' @1 L公仔箱論壇
* ^$ c0 F( [$ B' CThis is a tough question for grade 1.  
( B. \3 d5 y+ K7 o0 T( dTVBNOW 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。
! {4 C: Q% t3 V8 |7 G! B/ utvb now,tvbnow,bttvbI most likely cannot answer it within 5 minutes when I was that young.
, a$ u! F! v) s4 d2 |7 ?% |5 Y2 o公仔箱論壇
5 i: g& c: v2 V" Y3 s$ _: z. VWow, 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" ^_^$ Z. j! T7 Y# N. E9 |2 M  d

  X9 s9 I! K% A; ?: P0 c" M偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則