SOS! ! ! 3 2/3:(x-2 4/15)=3 5/13

Х - 2 4/15 = 3 2/3 : 3 5/13Х - 2 4/15 = 11/3 : 44/13Х - 2 4/15 = (11×13)/(3×44)Х - 2 4/15 = 13/12Х - 2 4/15 = 1целая 1/12Х = 1 2/12 + 2 4/15Х = 1 5/60 + 2 16/60Х = 3 21/60 Х = 3 7/20Ответ. 3 целых 7/20