Решение задачи N3287 теория вероятностей
3287. From an urn in which there are 8 black and 4 white balls, 2 balls are randomly taken out. Find the probability that both balls will be white.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.