Решение задачи N4774 теория вероятностей
4774. The box contains 7 standard parts and 2 non-standard parts. The master takes out three parts. Find the probability that among these parts one is standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.