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
2 m/ n; c9 k7 w1 T: B. _tvb now,tvbnow,bttvb9 x5 {6 S* t4 M8 ^; Q! ~( i
is it b??

roymak82

thanks

iii222

I think is C.tvb now,tvbnow,bttvb4 }" K9 K3 J0 c

# V( A4 C# @6 ^% Y8 A3 |公仔箱論壇Since A & B will have no way to know, and D did not know the answer.
9 V" P0 ^' m( Q5 o. J$ j7 R4 n
: X" W/ @  [' v4 @1 c" N) @) r公仔箱論壇This is a tough question for grade 1.  5 |. a' E- X) v5 A" l

  t/ D/ w6 E0 x2 Uos.tvboxnow.comI most likely cannot answer it within 5 minutes when I was that young.4 f$ j: f5 T- R. ~

- ^8 b- k% X+ z9 CWow, 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" ^_^
. ]9 d. ]" [5 q1 Hos.tvboxnow.com4 j( o  C* J: ~
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則