X 13 5 4 6 x 3 5 July 8, 2019 16 32 64 128 - 13 x 6 + 53 5 x - 6 x x - 13 при x = 4 13 x 6 5 5 x (13.5-4.5) 13* x-4 + -x-4 при x=6
