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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8 [" F1 ^! E4 V" ^# K* Q' F, dtvb now,tvbnow,bttvbis it b??

roymak82

thanks

iii222

I think is C.
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Since A & B will have no way to know, and D did not know the answer.
3 c1 A8 n6 q3 k  Ntvb now,tvbnow,bttvb
/ q) v4 c) Q% P" z# R* q) TThis is a tough question for grade 1.  
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I most likely cannot answer it within 5 minutes when I was that young.tvb now,tvbnow,bttvb# @+ R3 k+ A. _
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。& O* X( l7 W$ Y5 h! N. C3 s
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" ^_^tvb now,tvbnow,bttvb8 Y0 \9 x$ l, ?8 e. n: I$ D
公仔箱論壇7 W% w6 N' l0 z+ L  g0 s
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則