3 3 x 7 5 July 8, 2019 16 32 64 128 3 3 7 x 5 1 8 3 x 3 7 5x 1 3 x 3 5x 7 9 3 3 x )= 7 5x 3 3 4 x 7 5 3 x 3 5 =- 7 10 3 5 3 7 x 5 6 3 3 7 x 2 5 8 5 2x 3 )- 3 3x 7 )= 5 2 3 x 3 5 )= 7 2 3 3 7 x 4 1 5 3 x 7 )+ 5 2x 4 3 x 7 )= 5 2x 1 3 5 1 3 x 5 7 1 3 2 3 x 7 5
