Решение задачи N4308 теория вероятностей
4308. In the box are 4 white and 1 black ball. 2 balls are taken out at random. Find the probability that 2 white balls are pulled out.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.