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 j$ @+ }5 D7 u- P# H- e$ c% @

- \$ k+ W9 e# b) A0 u公仔箱論壇is it b??

roymak82

thanks

iii222

I think is C.) L- a) v1 D5 j! Y+ _) O6 k
, F8 i+ _) X* D7 Z/ r
Since A & B will have no way to know, and D did not know the answer.
2 k: C' i8 ^) WTVBNOW 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。os.tvboxnow.com% S9 L' T& u# x9 |3 N4 p$ ^
This is a tough question for grade 1.  
' l0 }% l8 W$ ~# ]公仔箱論壇6 i4 `1 m# N2 I8 W6 {  V9 C
I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇! m: o% w2 H7 |* z  c- S  g

) O+ a6 B4 }1 s$ \5 D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" ^_^
' U2 s% U8 v1 nTVBNOW 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。
$ D8 |) @" H& ]7 a偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則