/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: HayashiShin https://cdn.slidesharecdn.com/profile-photo-HayashiShin-48x48.jpg?cb=1523627566 スポ�曠丱疋�19トレリ�`/トポロジ�`仟繁セミナ�`(TFS)2012ﾖ並 mathematics