Ответ: BC/KN=AC/MN=AB/MK(KN+3,2)/KN=6/2(KN+3,2)/KN=3KN+3,2=3KN2KN=3,2KN=1,6BC=KN+3,2=4,8AC/MN=AB/MK3=3,3/MKMK=1,1