Решение задачи N2822 теория вероятностей
2822. In the urn 9 white and 7 black balls. Two balls are taken out of the urn at once. Find the probability that these balls will be of different colors.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.