Решение задачи N4299 теория вероятностей
4299. From a box in which there are 18 black and 6 white balls, 2 balls are taken out at random. How likely are both balls to be white?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.