X 3 7 5 1 July 8, 2019 16 32 64 128 X 3 7 5 14 X 3 5 7 10 X 3 7 1 5 8 X 7 3 5 15 3 x 5 7 12 3 x 5 =- 7 13 X 3 7 2x 1 5 3 x 7 )= 5 x 1 )- 4 X 7 3 5 2 1 2 3 7 x 5 11 3 x 7 )+ 5 x 4 )= 15 3 7 x 5 )=- 18 5 x 3 )+ 7 2x 16 5 3 x 7 16 X 1 3 5 7 9
