Решение задачи N3144 теория вероятностей
3144. There are 4 red, 6 black and 5 blue pencils in the box. 3 pencils are taken out of it at random. What is the probability that they will be the same color?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.