Решение задачи N2615 теория вероятностей
2615. In the urn 6 white and 3 black balls. Randomly from the urn get two balls. What is the probability that they 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.