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 6 o  d' _$ S+ I% G+ P
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is it b??

roymak82

thanks

iii222

I think is C.
! Y9 B/ z* R( c- q- ?tvb now,tvbnow,bttvb
* }* J9 X- d4 G* x: X" B' F) h. j5.39.217.77:8898Since A & B will have no way to know, and D did not know the answer.
( `& f+ e4 k# f4 ?4 e/ Ttvb now,tvbnow,bttvb; r& L! n. n/ Y5 ~+ D+ {& p
This is a tough question for grade 1.  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。0 O* |  s' D# G( Q; m% q5 ?1 g  h: D9 C
2 v, }& ~) ?, v0 [% ~5 ]/ G
I most likely cannot answer it within 5 minutes when I was that young.
# V. ]3 Q) z7 P/ L0 l# u% r( _公仔箱論壇" N9 `; J$ V  s
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  g3 R% H3 U/ |

. D1 F( B; g+ }  B6 n- t偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則