1 10 x 5 7 July 8, 2019 16 32 64 128 2 1 10 x 5 7 10 1 3 x 5 3 7 7 10 x 5 2 x 1 9 7 1 5 x 10 9 10 x 1 )- 5 x 2 )= 70 1 7 10 x 6 4 5 X 10 2x 5 7x 15 1 6 1 4 5 x 2 7 10 10 1 5 x 7 3 4 1 7 10 x 5 12 1 10x =- 5 7x 1 75 x 10 5 10 x 1 2 )= 3x 5 7x 1 7 x (- 10 9 (- 5 14 3 1 2 x 5 7 10