Решение задачи N4955 теория вероятностей
4955. There are 12 parts in a box, among which there are 3 non-standard ones. Find the probability that 3 parts chosen at random will be standard. 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.