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
- z5 M; k& o, O& f5 P9 rtvb now,tvbnow,bttvb
: Z* s9 b% o& E6 L2 b! Jis it b??

roymak82

thanks

iii222

I think is C.
* H. Y, |+ @$ Q: ]1 c3 e# e" _8 ?公仔箱論壇
- d! Z& m: K1 Z: h' i4 I( a; l6 [www3.tvboxnow.comSince A & B will have no way to know, and D did not know the answer.公仔箱論壇* v( v0 P; I. V
# J8 j% Y0 s/ N3 b- h* A
This is a tough question for grade 1.  " ^. y8 S5 g" l8 M2 W

" B( {; R( L- F5 m3 k7 n* Wwww3.tvboxnow.comI most likely cannot answer it within 5 minutes when I was that young.
5 [) N0 X1 ], t5 I- J公仔箱論壇; e- P& Q9 y0 H
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" ^_^; c" O3 `! }0 Q' n0 n

  G; Q5 x4 y) r; _; wwww3.tvboxnow.com偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則