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
: n7 m) t8 k* l. ]4 }" J. c5.39.217.77
" v/ y( r# K+ N$ S. R" t( Ctvb now,tvbnow,bttvbis it b??

roymak82

thanks

iii222

I think is C.5.39.217.771 R- B: V' i' A7 I, a6 c" u
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Since A & B will have no way to know, and D did not know the answer.公仔箱論壇+ b0 N6 `+ n4 [2 U2 t+ x
tvb now,tvbnow,bttvb/ \: u+ e) `/ v! j  C, W
This is a tough question for grade 1.  
8 ]  d! s' S; |/ J6 j, i" q+ u
5 G' ~- a3 x; I) N, @- |9 h- nI most likely cannot answer it within 5 minutes when I was that young.
& T5 ?# t4 U6 r5 o0 n, R0 J. ?7 [公仔箱論壇
" j% F8 K$ L& J- k/ _$ \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" ^_^
7 E) f) w4 |$ N7 v7 u! a4 G% U& K
1 r& w' P7 g2 P2 P2 k; ?  X0 Q5.39.217.77偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則