Решение задачи N2873 теория вероятностей
2873. In the urn 6 green and 15 white balls. 2 balls are taken at random from the urn at once. Find the probability that both will be green.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.