Решение задачи N4429 теория вероятностей
4429. There are 6 white and 5 black balls in the urn. 2 balls are taken out of the urn. Find both balls will be black.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.