Пошаговое объяснение:
5-(1/2+1/3+1/4+1/5) = 5-(30/60 + 20/60 + 15/60 + 12/60) = 5 - 77/60 = 5 - 1 17/60 = 3 43/60
Пошаговое объяснение:
5-(1/2+1/3+1/4+1/5) = 5-(30/60 + 20/60 + 15/60 + 12/60) = 5 - 77/60 = 5 - 1 17/60 = 3 43/60