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 $ A% V" B$ v$ e$ \0 R: k
公仔箱論壇% t& x% F' V6 z+ k
is it b??

roymak82

thanks

iii222

I think is C.
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. b: g0 n: d" ?) |* y; g/ @公仔箱論壇Since A & B will have no way to know, and D did not know the answer.9 \* q/ D) ~8 T4 |4 |. A" w/ C0 F( |
公仔箱論壇7 [' e' r, q6 U8 O9 _  E# N" J
This is a tough question for grade 1.  
0 Z7 C7 u, S0 b  v$ j3 D2 K公仔箱論壇
" N% o; i# V* ]) g' PI most likely cannot answer it within 5 minutes when I was that young.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。5 C9 ^! O/ n# g, u9 ?
5.39.217.77$ b0 h' `  X2 G5 f; ?8 a* O
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 H: \* c" Z0 T0 `. q

8 X4 |: c! e6 i公仔箱論壇偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則