Решение задачи N2783 теория вероятностей
2783. In the group of 7 students play sports, 5 play musical instruments, and three do not do anything. Find the probability that among the 4 selected two athletes and two musicians.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.