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 ' E- D& x9 O; C+ R" S5 j3 {
公仔箱論壇' H3 n- U. b7 v5 c* S  O& O- y2 x+ Z' s
is it b??

roymak82

thanks

iii222

I think is C.
4 g. f" b2 K# b5.39.217.77:8898
8 D4 F0 R; ~: E/ ?/ M; d  h( DSince A & B will have no way to know, and D did not know the answer.tvb now,tvbnow,bttvb1 h, M+ s5 v. ~8 t' R

( A: J9 A' M& t& F. o5.39.217.77:8898This is a tough question for grade 1.  + h7 ~0 w! e0 c* f

. Z0 Z, F  }: H9 }5 xI most likely cannot answer it within 5 minutes when I was that young.5.39.217.77:88986 f/ y8 A) W0 P; t
tvb now,tvbnow,bttvb' P8 L- X. J0 C: c# C0 ~# @
Wow, 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" ^_^  R2 v/ T/ m: E. y+ U
5.39.217.77:8898( {( s# Q, ^* q
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則