9 9 x 9 4 July 8, 2019 16 32 64 128 9 9 x 4 3 9 x 9 40 9 x 9 45 9 9 x 4 5 9 x 9 49 9 x 9 x 9 x 3.14 x 4 3 9 x 8 = 9 × 9
