Решите пример по матеше
По дате
По рейтингу
(7/25 + 7/31) : 14/31 =
= 7 * (1/25 + 1/31) * 31/14 =
= 7/14 * (31 + 25)/25*31 * 31 =
= 1/2 * 56/25 * 31/31 =
= 56/2*25 * 1 =
= 28/25
Видео по теме
(7/25 + 7/31) : 14/31 =
= 7 * (1/25 + 1/31) * 31/14 =
= 7/14 * (31 + 25)/25*31 * 31 =
= 1/2 * 56/25 * 31/31 =
= 56/2*25 * 1 =
= 28/25