2х 6 1 4 3 4х 7 1 2 July 8, 2019 16 32 64 128 2 4х+1 2 =6 4х - 6· 2х-1 ≤ 4 7 6+2х-(4х-6 4) 7(4х - 1) = 6 – 2(3 – 14х)
