Контрольные задания > 2) Вычисли, выбрав удобный порядок выполнения действий: 300:(2⋅5), 640:(10⋅8), 84:(2⋅7).

Вопрос:

2) Вычисли, выбрав удобный порядок выполнения действий: 300:(2⋅5), 640:(10⋅8), 84:(2⋅7).

Ответ:

1. 300:(2⋅5) = 300:10 = 30. 2. 640:(10⋅8) = 640:80 = 8. 3. 84:(2⋅7) = 84:14 = 6.

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