Решение задачи N3130 теория вероятностей
3130. In the box are 5 blue, 9 red and 13 green pencils. At the same time remove 23 pencils. Find the probability that among them will be 3 blue and 7 red.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.