a) 513 = 512 + 1 = 83 + 80 = 10018
б) 600 = 7 * 64 + 8 = 7 * 82 + 1 * 81 + 0 * 80 = 7108
в) 2010 = 3 * 512 + 7 * 64 + 2 * 8 + 2 = 3 * 83 + 7 * 82 + 2 * 81 + 2 * 80 = 37228