5x 7 10x 5 July 8, 2019 16 32 64 128 5x 7 =- 10x 53 5 5x 7 )= 10x 12 10x 7 5x 6 10x 5 7 5x 9 10 1 10x 5 8 3 5x 7 10x 1 2x =- 56
