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好難....好覆雜
i don't know
通常都会做什么?
There can't possible be a way, the reason being the following:
( k: g, x+ U' X  e) ?5 j9 l/ C. e& r5.39.217.76everyday the person being picked is randomly generated, that means for a person to have 99.99% chance of being picked that takes over 600 daystvb now,tvbnow,bttvb! z' ]6 L  n9 p5 C+ `
lets just assume only 2 person in the entire group is the unlucky one, and that would case over 4 years of time just to get everybody out in the yard oncetvb now,tvbnow,bttvb6 ]2 N4 }0 P& P7 v$ C4 _# |
any solution proposed would be statistically impossible.
我都想知答案。
how do they do it?
不知到 看答案
有点难啊,看看答案吧
almost impossible !!!!
?????
睇答案!!!
要想很久的
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1# junli1421 嘩!是有點難度。
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