Решение задачи N3125 теория вероятностей
3125. In the box are 7 blue, 5 red and 5 green pencils. At the same time remove 13 pencils. Find the probability that among them will be 6 blue and 3 red.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.