4р-р=5.12; (10.49-s):4.02=0.805 решите уравнения
1) 4P - P = 5.12 3P = 5.12 P = 1.7066666 P = 1.71 2) 10.49 - S = 0.805 * 4.02 10.49 - S = 3.2361 10.49 - 3.2361 = S S = 7.2539 S = 7.25