00600naa#a2200181#i#450# EN\\bibl\4250 20240511004010.6 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU Modern approaches to the study of mathematics in comprehensive schools Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Tolstova M. Tolstova I. naukaru.ru