Решение задачи N4657 теория вероятностей
4657. In a pack there are 6 lined and 5 squared notebooks of the same size. 3 notebooks are taken at random from the pack. What is the probability that all three notebooks will be lined up.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.