6 5 x 7 2 July 8, 2019 16 32 64 128 5 6 x 7 25 5 6 х 2 7 6 3 x 5 7 22 5 6 x 7 1 2 7 5 6 x 7 2 3 3 5 6 х 7 23 X 6 5 7 24 5 6 x 4 2 7 6 5 x 4 7 3 2 6 2 5 x 7 1 3 6 x 7 2x 5 6 2 5 x 2 7 x 4 1 3 2 5 6 x 7 1 4 5 2 x 6 25 7 2x /( 125 2x 5 6 x =- 7 12 2 3