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
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is it b??

roymak82

thanks

iii222

I think is C.
# H8 \. p& C" P# W) u, ?# zTVBNOW 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。$ z1 ?; Q. k8 a; Y% a
Since A & B will have no way to know, and D did not know the answer.
3 e4 \2 D$ w# D  G% N2 R2 H% tTVBNOW 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。www2.tvboxnow.com$ p- [& K/ j% o/ ]; {7 D" ^
This is a tough question for grade 1.  
2 a# T6 ~0 ~' G2 }& b$ cTVBNOW 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。- E8 V/ l% k$ ^5 ]* s8 k' w$ r- B
I most likely cannot answer it within 5 minutes when I was that young." y" p# Q% @* M0 c

* @0 o# Y+ |% R2 H) O4 vtvb now,tvbnow,bttvbWow, 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" ^_^% n. u. `# ~2 k$ e. F0 R
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偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則