Решение задачи N4438 теория вероятностей
4438. There are 4 white balls and 10 black balls in the urn. 2 balls are taken from the urn at random. Find the probability that they are different colors.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.