2х 3 5 7 3х 1 July 8, 2019 16 32 64 128 2х 3 )( 5 6х )= 7 3х 10 4х 2х 4 7х 3 )= 10 5 3х 7 7 х 6 )/ 4 5 х 1 )/ 3 3х 2 2≤х 5 3/7 2 3х-5 7 2 3х-5=7-0 1х
