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 + F! b3 [4 Z3 P" g
5 t% q1 c. B9 G
is it b??

roymak82

thanks

iii222

I think is C.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。1 \" Y' f' Y$ u/ o7 H+ ]3 ]
; b# l  ^  o  x
Since A & B will have no way to know, and D did not know the answer.
. v: D& }3 P- W0 Z
3 ?. J# G4 F' Z6 }- l公仔箱論壇This is a tough question for grade 1.  
. M- j  `1 w; m6 xTVBNOW 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* _3 s4 _$ N8 R5 E* Y5 A
I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb5 u  K% E: j; ]" [2 x) y' M4 g

' I, {! Y0 K6 k" Vtvb now,tvbnow,bttvbWow, 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" ^_^7 T* P3 `' V2 t# M# W. c

5 b% w& |4 d: j偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則