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 k5 C: V! g. h/ p) Z( s

$ K( {( o+ }0 T8 Z4 FSince A & B will have no way to know, and D did not know the answer.
; o& Y% k: M/ i& R- {5.39.217.77:8898TVBNOW 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( }, y2 y0 c) c1 V. G  T3 o2 K
This is a tough question for grade 1.  5 k% C7 G1 I4 |- C8 k

. n9 A$ T/ A2 U3 D8 d  Z8 a% r: L$ M2 d5.39.217.77:8898I most likely cannot answer it within 5 minutes when I was that young.
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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" ^_^公仔箱論壇: y7 F: R+ j0 x1 x: ?6 d9 M
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偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則