9 7 4 1 July 8, 2019 16 32 64 128 9 7 4 11 9 7 4 10 9 7 4 14 9 7 4 12 9 7 4 15 9 7 4 13 (- 7 9 )+ 4 16 7 9 4 18 9 4 7 1 2 9 4 7 1 6 7 9 4 1 3 7 9 * 4 1 5 6 9 4 7 10 5 7 9 4 11 as a fraction 9 7 8 4 1 2