Sbornik Zadach I Uprazhnenii Po Matematike 6 Klass Resheniia
3.Plotkin B. K., Deliukin L. A. Ekonomiko-matematicheskie metody i modeli v kommercheskoi deiatel'nosti i logistike. Sbornik zadach i uprazhnenii [Economic and mathematical methods and models in commercial activity and logistics. Collection of problems and exercises]. Saint Petersburg, Izd-vo SPbGEU, 2013. 64 p.
sbornik zadach i uprazhnenii po matematike 6 klass resheniia
041b061a72