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.
3 I+ R- S- E: c( c) J( ]6 H  g7 kTVBNOW 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。/ X: G! ?9 m, |+ ^+ z  P! N
Since A & B will have no way to know, and D did not know the answer.tvb now,tvbnow,bttvb& ~" d4 Z& O0 f* d3 X; Q, i9 \
5.39.217.77:88981 |5 I$ r' I* R/ N, ?1 B  k  W: F8 s
This is a tough question for grade 1.  公仔箱論壇% H: I! K# w7 j! \( O; k
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I most likely cannot answer it within 5 minutes when I was that young.公仔箱論壇( \, ~  w2 f' j; e1 t% _

8 z3 q7 k9 ~- B( U) f, e4 V) ?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" ^_^
& c8 g1 X% V) V- ~) JTVBNOW 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。tvb now,tvbnow,bttvb+ R$ a# `9 z6 V
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則