Решение задачи N4320 теория вероятностей
4320. In the box are 4 white and 5 green balls. 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.