3 4 15 6 July 8, 2019 16 32 64 128 4 3 15 6y )- 7 =- 11 3 4 x 15 )=- 6 2 3 4 15 6 3 1 4 15 6 3 4 5 6 15 1 3 15 6p )= 4 2p 15 2х 8 3 4 6х 7 5 15 3 4 6 7 15 3 4 6 8 4 3 15 6y 3 15 4 65 4 3 15 6y )- 7 3 4 x 15 6 =- 16 9 3 4 15 6