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9 L; ~# B% d0 z* O' A  B* U0 j- F

( _) {3 g% [+ ^" D7 P8 }6 [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.tvb now,tvbnow,bttvb; j5 D2 ]- S6 O" Q  Y& b. _, D

: Q, w) v9 |' m/ y5.39.217.77This is a tough question for grade 1.  5.39.217.770 U; H0 F& c& Q" C

9 T( m6 b, P, Z* L2 A5 qTVBNOW 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。I most likely cannot answer it within 5 minutes when I was that young." K4 j' g0 W4 x* Z5 ]. V" G3 v
tvb now,tvbnow,bttvb2 q0 L, B6 F2 U; w
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" ^_^
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# B, Y4 Y; n, M! `0 P3 @5.39.217.77偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則