7 2х 5 4 0 46 1 July 8, 2019 16 32 64 128 7 2х 5 4 x 0 46 1 7 2-5 4х+0 46=1 7 2х-5 4х+0 46 7 2х-5 4х 0 46=1 7 2-5 4х+0 55=1
