Даю 14 баллов, помогите пжжжжжжжжжжжжжжжжжжжжжжжж
54/72 = 3/4 140/260 = 7/13 144/1056 = 3/22 360/576 = 5/8 Обратные: 3/4 = 4/3 7/13 = 13/7 3/22 = 22/3 5/8 = 8/5