Решение задачи N4304 теория вероятностей
4304. There are 4 blue and 5 green balls in the box. 2 balls are taken out of the box at random. What is the likelihood that these balls will turn out to be different colors?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.