8 15 x 9 10 July 8, 2019 16 32 64 128 8 15 х 9 10 8 15 3 10 * x * 9 100 8 15 x 9 8 15 x 5 12 x 9 10 8 10 x 9 7 12 15 10 15 x 9 14 x 8 13 X 9 8 /- y =- 10 15 9 x 8 = 9 x 15 x 8
