A* 165 613 =413*2005, c : 210 = 18 741 - 15 986
А*165 613=413*2005 165 613а=828 065 а=828 065:165 613 а=5 ...................... с:210=18 741-15 986 с:210=2 755 с=2 755*210 с=578 550
А* 165613 = 828065 C/210 = 18741 - 15986 А = 828065 /165613 C/210 = 2755 А = 5; C = 2755*210 C = 578550