выполни действия 18 мин 9 с -7 мин 46 с + 48 мин 35 с

выполни действия 18 мин 9 с -7 мин 46 с + 48 мин 35 с
- Предмет:
  Математика
- Автор:
  chaimaxnn
- 6 лет назад

Ответы 2

нужно минуты перевести в секунды:18*60+9=1089; 7*60+46=466; 48*60+35=2915 дальше выполняем действия1089-466+2915=3538 теперь переводим обратно на минуты и секунды это получается 58 мин 58с
- Автор:
  sanai0kbr
- 6 лет назад
- 0
18мин 9сек9сек=18*60+9=1089сек 7мин46сек=7*60+46=466сек 48мин35сек=2915сек 1089-466=2915=3538сек=58мин58мин 58сек
- Автор:
  will31
- 6 лет назад
- 0
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выполни действия 18 мин 9 с -7 мин 46 с + 48 мин 35 с

Ответы 2

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