6 4 · 8 5 0 8 July 8, 2019 16 32 64 128 6 4 8 5 0 8 0 6 5 4 =- 0 8x 5 8 0 6 5 4 =- 0 8х 5 8 6 8+4 5 6 4+8 6 4 (-0 8)