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 2 q3 y# m" b0 g( E5 Y% j) @
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is it b??

roymak82

thanks

iii222

I think is C.
% [8 ^! R! e* C% C' ?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。4 T! H! Z  O, ^7 q8 P7 n9 S
Since A & B will have no way to know, and D did not know the answer.( w/ [) `8 m/ V! V$ w* P2 M
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This is a tough question for grade 1.  5.39.217.77:88980 l3 H0 w9 c; X% p$ o- @7 l: f8 d" I

  x7 e( Y2 i; b1 g公仔箱論壇I most likely cannot answer it within 5 minutes when I was that young.
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& p% l( I; C7 ?6 v) B2 U; j# xWow, 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" ^_^
( X2 I! ]+ x& p& r7 I; L5.39.217.77:8898公仔箱論壇# r8 S# ]0 G, Z2 A1 a' _
偵探型的數學題目 ^^

man0223

thanks for sharing

oftenpie

看不太懂規則