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 tvb now,tvbnow,bttvb. l# J9 L4 [+ l5 N+ T
tvb now,tvbnow,bttvb- h) m; w/ F9 G
is it b??

roymak82

thanks

iii222

I think is C.5.39.217.77:88980 ]8 `$ _' F% }( H! ~; v
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Since A & B will have no way to know, and D did not know the answer.
# N, y  S% X0 M0 Y  r' N5.39.217.77:8898
+ E8 d; _4 [: e. _* h5.39.217.77:8898This is a tough question for grade 1.  
- F, x1 b+ w' X1 g" A/ Z* ETVBNOW 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。tvb now,tvbnow,bttvb; p, v, P! c3 f6 Z
I most likely cannot answer it within 5 minutes when I was that young.
- F" P( n1 y6 M2 N5.39.217.77:88985.39.217.77:8898# ^. t5 ?  h- i" v7 C) @3 a
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" ^_^公仔箱論壇9 g* Y% f+ i2 |* }
tvb now,tvbnow,bttvb' ?8 s* @2 v" _5 d3 q. ^
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則