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
3 R9 a2 b  k2 h7 F2 zTVBNOW 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。5.39.217.77:8898$ w% p8 s. j# W! {: f! h  X
is it b??

roymak82

thanks

iii222

I think is C.tvb now,tvbnow,bttvb! r4 u  V; o: U; d5 k

, E& b4 \* k4 ySince A & B will have no way to know, and D did not know the answer.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。8 `: t) K, o; G/ I3 [" X# C
' O7 M  ?+ t4 Q) E- C
This is a tough question for grade 1.  5.39.217.77:88980 y+ r3 S' |3 }& N: {& [
. A( i5 @* ], [% I. J
I most likely cannot answer it within 5 minutes when I was that young.
3 Z& D  a  ^7 T, Y! n& L
( y5 M3 [6 w* x; B8 H3 iWow, 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" ^_^5 p& E! h: k9 X* Y  ~
5.39.217.77:8898- \# {$ p) O2 x1 j7 ]. w: [" T
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則