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: O* O8 v1 D5 Z0 z% F) l# v
tvb now,tvbnow,bttvb; [  r6 ?# M9 y2 {5 k8 q. z3 R
is it b??

roymak82

thanks

iii222

I think is C.
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Since A & B will have no way to know, and D did not know the answer.
# E2 a2 j: q. ]; |. B* Q公仔箱論壇
; M' ]$ ]  K) e7 w8 s公仔箱論壇This is a tough question for grade 1.  % n5 r. e) K6 W6 r2 D# a
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I most likely cannot answer it within 5 minutes when I was that young.
& R# t. n9 z0 ?2 V! P0 Ntvb now,tvbnow,bttvb
9 }4 N3 ]/ E4 b' |2 e- ?& U( 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" ^_^
( o4 M4 \# S! p7 Nwww3.tvboxnow.com
* S. N: ^6 U9 W6 t7 |" ~偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則