Path: news.ccsf.jp!4bn.ne.jp!not-for-mail From: ikeda@4bn.ne.jp Newsgroups: fj.test Subject: [Twitter2fj] 190394311068758016 @usatan513 =?ISO-2022-JP?B?GyRCRXokKCRPIzUxXxsoQg==?= Date: Thu, 12 Apr 2012 11:03:03 +0000 (UTC) Organization: Yonbetsu Netzwerk Lines: 9 Message-ID: NNTP-Posting-Host: localhost.4bn.ne.jp Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit X-Trace: bsd2.4bn.ne.jp 1334228583 24145 127.0.0.1 (12 Apr 2012 11:03:03 GMT) X-Complaints-To: ikeda@4bn.ne.jp NNTP-Posting-Date: Thu, 12 Apr 2012 11:03:03 +0000 (UTC) X-Posting-Client: twitter2fj X-Twitter-Id: 190394311068758016 X-Twitter-User: ikutana Xref: news.ccsf.jp fj.test:122672 @usatan513 答えは5円と105円。安い方の値段をxとおくと高い方はx+100になる。合計するとx+x+100=2x+100 これが110なので、2x+100=110つまり、 2x=10 ここからx=5が出てくる。 http://twitter.com/ikutana/status/190394311068758016 -- -------------- Twitter to fj repeater.