(- 4 7 4 3 19 July 8, 2019 16 32 64 128 3 * 4 x 7 4 * 4 x 19 * rad2 7/4 - x 4/3 = 5/19 7 4 x 4 3 5 19 4 - 7/19 4 + 4 = 3
