3 1 3 x 9 2 July 8, 2019 16 32 64 128 1 3 3 2 x 2 9 4 1 3 x 9 )= 2x 7 10 1 3 x 9 2 3 3 (- 1 x )- 2x 9 1 3 x 2 9 5 6 1 3 x 9 )= 2 3 x 7 27 1 3 x 9 3 2 3 (- 1 х )- 2х 9 1 3 х =- 2 9 3 1 9 х 2 5 3 1 9 х 21 3 2x 1 26 3 x )- 9 0 3 2x 1 28 3 x 9 0 1 3 x 6 )= 2 3 x 9 4 3 x 27 1 3 x 9