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 5.39.217.77:88984 b$ V6 J7 u& G1 j
5.39.217.77:88989 z# ]4 q! s% M( u6 F+ E! E
is it b??

roymak82

thanks

iii222

I think is C.  k$ V5 C( `2 q: D

- |" \5 {0 e7 a! z" [9 ~tvb now,tvbnow,bttvbSince 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。4 k; T) Z3 d4 m

0 v1 p" e9 V: {" d! x3 V( w5.39.217.77:8898This is a tough question for grade 1.  
8 f3 @( C$ h9 o; M& M- t( A  ^" z. C$ T7 [) E1 j8 ~
I most likely cannot answer it within 5 minutes when I was that young.
3 i+ Q+ E& o9 h, P( q9 r0 e6 h( f/ d公仔箱論壇; ?% E) A/ k& ?2 e
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" ^_^
( P. u9 |- r" j, ~tvb now,tvbnow,bttvb
& B2 u1 j1 F3 t' h) x. `偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則