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 5 Q" F" N; @. |7 h1 H, U

1 I/ _9 b0 w2 L2 v6 Oos.tvboxnow.comis it b??

roymak82

thanks

iii222

I think is C.公仔箱論壇. y7 d, o- v/ p; v3 U6 I$ o/ _& A

' U9 G2 ]  h8 R$ Ttvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.
5 J, x$ `9 T1 Y% Wtvb now,tvbnow,bttvb
  L6 `5 T! |" v' dtvb now,tvbnow,bttvbThis is a tough question for grade 1.  / T( s. W' n; l1 D6 O* A$ a; P9 b

- C; C: c: V. i  d! |2 o4 ~# SI most likely cannot answer it within 5 minutes when I was that young.
3 {; N% h0 Y8 A) z
) g& m, \4 O7 J; Q7 oWow, 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" ^_^; f! `( \5 m' F. }; z$ ?* S
tvb now,tvbnow,bttvb" Q' n+ T* F9 p+ x: w' q& O! S
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則