Решение задачи N4610 теория вероятностей
4610. There are 2 white, 3 black and 5 red balls in a box. One ball is drawn at random. Find the probability that the drawn ball is black.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.