Предмет: Математика, автор: irinaloveirin

на первом этаже должны дежурить 2 человека Саша Наташа Алёна Павлик и Глеб дежурные Сколько есть спосабов выбрать из них дежурных для первого этажа

Ответы

Автор ответа: Koteika246

способы
1)саша и наташа
2)саша и алёна
3)саша павлик
4)саша и глеб
5)наташа и алёна
6)наташа и павлик
7)наташа и глеб
8)алёна и и павлик
9)алёна и глеб
10)павлик и глеб
и того 10 способов

Автор ответа: XOPOIII

у нас человек 5 можно составить комбинации
1 Саша-Наташа-Алёна-Павлик-Глеб
2 Наташа-Алёна-Павлик-Глеб
3 Алёна-Павлик-Глеб
4 Павлик-Глеб
итог 10 комбинацией

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