C 3 15 July 8, 2019 16 32 64 128 C 3 15 19 C 3 15 18 C 3 15 17 C 15 3 calculator C 1540 3 C 15 3 combination C 3 7 15 C 3 5 15 Найти c 3 15 3 c 2 )= 15 Almires c 15 3 4 C 150x50x20x2 3