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 tvb now,tvbnow,bttvb& w3 b5 l$ ?* h8 ~
8 H# s: y2 I1 D" B+ L% N
is it b??

roymak82

thanks

iii222

I think is C.
7 ]; B2 a5 e6 k- i  n5 C: B' Ptvb now,tvbnow,bttvbTVBNOW 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。- `6 [0 L7 @* Z6 z5 l9 t) S
Since A & B will have no way to know, and D did not know the answer.% `6 F& L8 i/ l: O9 E

6 g7 _& k* y/ X, l5 a9 \$ RThis is a tough question for grade 1.  公仔箱論壇2 s! m4 j! m, V4 I/ o2 Y/ H6 p
$ P0 s9 b) i+ J: m# {. \' I
I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb( s! B8 X+ X" n1 |- m- I# f8 j
tvboxnow.com* m1 A3 ?3 N. a1 i) W% C4 e
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" ^_^% r& J  i' f  H: e6 |

7 r. t, Q& ]0 s9 @) Rtvb now,tvbnow,bttvb偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則