5 2 x 7 )= 45 July 8, 2019 16 32 64 128 5 2 7 0 45 x 5 2x 7 45 17x 45 5 x 2 )+ 7 5 x 7 )- 3 3x 2 )= 45 5 x 7 = 35 5 + 5 + 7 5/7 x 2