https://math.fosite.ru/wiki/index weekly https://math.fosite.ru/wiki monthly https://math.fosite.ru/wiki/28059_%D0%9E%D0%B1%D1%89%D0%B8%D0%B5/1120378_%D0%A0%D0%B0%D0%B1%D0%BE%D1%82%D0%B0_%D1%83%D1%87%D0%B8%D1%82%D0%B5%D0%BB%D1%8F_%D1%81_%D0%B4%D0%B5%D1%82%D1%8C%D0%BC%D0%B8%2C_%D0%B8%D1%81%D0%BF%D1%8B%D1%82%D1%8B%D0%B2%D0%B0%D1%8E%D1%89%D0%B8%D0%B5_%D0%B7%D0%B0%D1%82%D1%80%D1%83%D0%B4%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F_%D0%B2_%D0%BF%D1%80%D0%BE%D1%86%D0%B5%D1%81%D1%81%D0%B5_%D0%B8%D0%B7%D1%83%D1%87%D0%B5%D0%BD%D0%B8%D1%8F_%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B8. 2016-05-22T17:44:22+00:00 monthly https://math.fosite.ru/wiki/28059_%D0%9E%D0%B1%D1%89%D0%B8%D0%B5/46089_%D0%93%D0%98%D0%90_%D0%BF%D0%BE_%D0%B0%D0%BB%D0%B3%D0%B5%D0%B1%D1%80%D0%B5_2012_-_%D0%BE%D0%B1%D1%8F%D0%B7%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9_%D1%8D%D0%BA%D0%B7%D0%B0%D0%BC%D0%B5%D0%BD_%D0%B2_%D0%B4%D0%B5%D0%B2%D1%8F%D1%82%D1%8B%D1%85_%D0%BA%D0%BB%D0%B0%D1%81%D1%81%D0%B0%D1%85 2011-11-26T15:21:35+00:00 monthly https://math.fosite.ru/wiki/28059_%D0%9E%D0%B1%D1%89%D0%B8%D0%B5/46047_%D0%BA%D0%BE%D0%BD%D1%81%D0%BF%D0%B5%D0%BA%D1%82%D1%8B 2011-12-24T05:29:52+00:00 monthly