а) 20 - (20 0.16) = 20 - 3.2 = 16.8б) 20 - (20 0.25) = 20 - 5 = 15в) 20 - (20 * 0.73) = 20 - 14.6 = 5.4
а) 20 - (20 0.16) = 20 - 3.2 = 16.8
б) 20 - (20 0.25) = 20 - 5 = 15
в) 20 - (20 * 0.73) = 20 - 14.6 = 5.4