Пошаговое объяснение:00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Пошаговое объяснение:00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000