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  2. В ящике имеется 15 деталей, среди

В ящике имеется 15 деталей, среди которых 8 окрашенных. Сборщик наудачу извлекает три детали. Найти вероятность того, что извлеченные

Элилия Элилия    3   17.04.2019 05:50    56

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Anna19013 Anna19013  05.06.2020 21:15
(65-20):3=45:3=15 трехлитровых банок
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