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
  ?; T: t6 r  Y. C9 ]4 L5.39.217.77:88985.39.217.77:88988 x  d& O3 P# m5 q5 H" @3 ^- J2 b. a
is it b??

roymak82

thanks

iii222

I think is C.4 s: W% }6 J! g

, V4 }4 q  e4 E/ p! O6 a9 s5.39.217.77:8898Since A & B will have no way to know, and D did not know the answer.
3 ]1 |" y. |- r. W0 I5.39.217.77:8898
& B# N5 S, P2 A* o公仔箱論壇This is a tough question for grade 1.  公仔箱論壇$ M! J7 M% H3 N9 _& C# `' m( L# }0 s
! |5 j# K' D. {6 M4 J- g
I most likely cannot answer it within 5 minutes when I was that young.
+ ~2 R. D  S: d' ]2 x9 k, G' |tvb now,tvbnow,bttvb
  B% T. N/ \* H, \% }# Q公仔箱論壇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) ?7 t$ c- E% A# `# o7 f, X9 ^
5.39.217.77:88983 V% z, I* K0 W  R2 B0 g$ V" X
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則