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 # C8 t3 ?' o& G/ Q: i7 q
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is it b??

roymak82

thanks

iii222

I think is C.! U. [  O' O  r

4 u+ Y0 _+ L- g5 F& ^tvb now,tvbnow,bttvbSince A & B will have no way to know, and D did not know the answer.$ w  I- B) w# z& k+ \+ z5 s
www2.tvboxnow.com) g' C, f$ H  \0 b/ E# h+ t
This is a tough question for grade 1.  & }2 D& C8 m# [: q7 p  L1 V( P
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I most likely cannot answer it within 5 minutes when I was that young.0 w" Z) U  B1 E4 U  n/ q$ b

- U/ ~( Y- l! y# u0 H2 ~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" ^_^
- m% B- i9 g  E' O/ e; t+ a9 k公仔箱論壇
2 ]! x% w/ k& c: N" g偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則