Предмет: Математика, автор: andrichumak

Двор майстерням потрібно зробити 1800 деталей. Перша майстерня може виконати цю роботу за 3 дні а друга за 6 днів. За скільки днів зроблять усі деталі обидві майстерні якщо працюцюватимуть одночасно?

Ответы

Автор ответа: Rom5ik

Ответ:

1800:3 = 600 - перша майстерня за один день

1800:6 = 300 - друга майстерня за один день

1800:(600+300) = 2 - дні

В-дь: 2 дні

Пошаговое объяснение:

Rom5ik: Прошу отметь ответ лучшим)

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