6 5 9 1 July 8, 2019 16 32 64 128 6 5 9 10 6 5 * 9 11 6 5 9 12 6 5 9 1 2 3 6 5 9 1 3 6 5 9 18 6 5 9 15 6 5 9 14 6 5 9 17 6 5 9 16 6 5 9 10 4 5 6 9 15 blank 40 5 6 9 10 as a fraction 5 6 9 15 series 5 6 9 1 2