3 1800 July 8, 2019 16 32 64 128 3 1800 simplified 18000 3 1800x0 3 18000 3 percent 1800 3 5 1800 3 4 1800x1 3 18000x1 3 18000x0 3 1800 3 6 1800 3 2 18009 3 1800x2 3 1800 3 8
