2 9 х 2 1 3 July 8, 2019 16 32 64 128 2 9 x 2 1 3 2 9 2 1 3 3 2 9 x 2 1 6 2 2 9 x 1 3 5 2 7 3х 9 х 2 1 2 3x 9 )=- 2 (- x 1 )+ 9x 2 7 3x 9 x 2 1 9 x 2 3x 1 8 9 x 2 1 3 7 9 x 2 1 3
