7 1 2 х 1 5 9 July 8, 2019 16 32 64 128 7 1 2 x 1 5 9 7 1 2 * 1 5 9 9 25 х 2 1 7 х 1 5 9 7 9 х 5 2 5 х 1 1 14 1 7 9 х 2 2 5 1 3 5 7 1 2 x 8 5 9 2 7+1 9х=2х+1 5 7 1/2 x 9
