Решение задачи N2869 теория вероятностей
2869. In the urn 7 red and 6 blue balls. Two balls are taken out of the urn at random. What is the probability that laid out balls 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.