ответ: (31/6-11/3)+31/6 = (-578/183)+31/6 = - 578/183+31/6 = 245/122
47/24+(47/24-17/12) = 47/24+13/24 = 5/2
ответ: (31/6-11/3)+31/6 = (-578/183)+31/6 = - 578/183+31/6 = 245/122
47/24+(47/24-17/12) = 47/24+13/24 = 5/2