Решение задачи N3100 теория вероятностей
3100. In the box there are 7 red and 5 blue pencils. Randomly took three pencils. Find the probability that among the selected pencils - exactly 2 red and 1 blue.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.