Решение задачи N4357 теория вероятностей
4357. There are 20 balls in the box - 12 white and 8 black. What is the probability that the two balls taken out will be white? Different color?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.