2 3х-5 7 July 8, 2019 16 32 64 128 2 3х =- 7х 5 3х 2 + 5 7 2 3х 5 3 7 9х 2 5 3х )+ 12х 7 5 2 3х )- 7 0 5 2 3х )= 7х 54 2 5 х 2 3х 7 7 3х 3 2 3х 5 2≤х 5 3/7
