Решение задачи N4368 теория вероятностей
4368. The box contains 4 white and 3 black balls. Take out two balls at random. What is the probability that the white and black balls are taken out?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.