2 7 x 0 9 July 8, 2019 16 32 64 128 4 2 7 x 0 9 9x 2 x 7 0 7 2 2 4 0 9 x решение 9 x 7 * 2 x 18 0 9 x 1 2 7 0 0 7 ^ x = 2 2/49 2 x 7/9 2 x 0 7