Предмет: Математика, автор: syyperpuper

Вычисли:
7ч 12мин - 5ч 45мин +19ч50мин=
23 мин -8 мин15с - 14 мин 38 с

Ответы

Автор ответа: KostyaLyu

0

Переведём в минуты
432-345+1190=1277мин=21час 17мин

В секунды
1380-495-878=7 секунд

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