Большое пёстрый дятел делает 130 ударов в минуту. Для обработки еловой шишки ему нужно - №17873241

Большое пёстрый дятел делает 130 ударов в минуту. Для обработки еловой шишки ему нужно сделать 1560 ударов , а для обработки становой шишки - 650 ударов.На сколько меньше времени нужно дятлу для обработки сосновой шишки
- Предмет:
  Математика
- Автор:
  baby carrot
- 6 лет назад

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Private schools in the UK.
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