1 5 x 3 7 x 5 9 July 8, 2019 16 32 64 128 1 3 x 3 5 x 5 7 x 7 9 x 9 11 5 x 7 = 35 1) 5/7 = x / 91 1 5 ( x–3 – 7) = 6
