[問題] IMO 2008 day2 boggart0803 PTT批踢踢實業坊

[問題] IMO 2008 day2

作者: boggart0803 (幻形怪) 2008-07-17 19:03:28

Problem 4
Find all functions f : (0,∞)→(0,∞) (so, f is a function from the
positive real numbers to the positive real numbers) such that
(f(w))^2+(f(x))^2 w^2+x^2

作者: myflame (åŽŸä¾†éš±èµ·ä¾†äº†) 2008-07-17 19:06:00

有自信電子通訊設施防堵完善?XD

作者: JGU ( ) 2008-07-17 19:50:00

怎麼回事啊?

作者: myflame (åŽŸä¾†éš±èµ·ä¾†äº†) 2008-07-18 00:29:00

可以請問本來po的假4,5,6題出典為何?想寫看看^^

繼續閱讀

Re: [問題] IMO 2008 day1LimSinE [問題] IMO 2008 day1boggart0803 [公告] IMO_Taiwan 賭盤開獎unknown Re: [公告] IMO_Taiwan 板開始賭博!darkseer Re: [公告] 板友開始簽到! Thx~boggart0803 Re: [公告] IMO_Taiwan 板開始賭博!darkseer [公告] IMO_Taiwan 板開始賭博!unknown [嘎嘎] 來幼稚一下darkseer [計算] 排列組合cyx [問題] 來灌水darkseer