Предмет: Русский язык, автор: otash07071

для подьёма на гору потребовалось 2 ч 45 мин,а для спуска с неё -1 ч 35 мин. сколько всего времени потрачено на подъём и спуск ?

Ответы

Автор ответа: ivan23545

сложи часы и минуты и получиться 3 ч 80 мин но 1 ч это 60мин 80 -60 =20 и к 3ч прибавляем 1ч и получиться 4ч 20мин

Автор ответа: natalibondar6

- 4 часа и 20 минут или же -4.20

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