2х 5 )-( 3х 7 )= 4 July 8, 2019 16 32 64 128 3х 7 4 2х 3 )- 5 2х 3 )( 5 6х )= 7 3х 10 4х 2х 4 7х 3 )= 10 5 3х 7 3х 5 )( 2х 7 )=( 3х 1 )( 2х 3 )+ 4х
