Решение задачи N4486 теория вероятностей
4486. There are 5 white and 7 black balls in the urn. 2 balls are taken out of the urn. 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.