Решение задачи N4543 теория вероятностей
4543. The urn contains 5 red and 6 black balls. Find the probability that the two balls taken out at random turned out to be red.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.