5 1 7 x 5 1 7 July 8, 2019 16 32 64 128 3 1 7 x 1 5 7 3 5 7 x 1 5 7 x )- 1 3 2 3 1 5 x 4 7 3 7 x 1 5 1 5 2 1 4 x 7 5 7 5 1 2 5 x 7 = 35 5 + 5 + 7 5 x 5 x 5 x 5 x 5 5 x 5 x 5
