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ΠžΡ€Π³Π°Π½ΠΈΠ·Π°Ρ†ΠΈΡ внСклассной Ρ€Π°Π±ΠΎΡ‚Ρ‹ ΠΏΠΎ ΠΌΠ°Ρ‚Π΅ΠΌΠ°Ρ‚ΠΈΠΊΠ΅ Π² соврСмСнной ΠΎΠ±Ρ‰Π΅ΠΎΠ±Ρ€Π°Π·ΠΎΠ²Π°Ρ‚Π΅Π»ΡŒΠ½ΠΎΠΉ школС. 5-11 класс | Organizing Extracurricular Mathematics Activities in Modern Secondary Schools: Grades 5-11 | RusLibrary - Russian Literature Store