Решение задачи N4999 теория вероятностей
4999. There are 20 parts in a box, 12 of them are painted. 3 parts were taken at random. Find the probability that the extracted parts are colored. Solved in two ways
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.