Решение задачи N3267 теория вероятностей
3267. From the basket in which there are 12 white and 8 black balls, two balls are removed at random. What is the probability that both balls will turn black?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.