1 5 8 3 25 July 8, 2019 16 32 64 128 8 25x 3 1 5 1 4 х 8 5 5 12 x 3 25 1 3 2x 2 5 =- 8 25 5 1 3 x 3 3 8 0 25 1 8 25 * 3 per 5 0 2