Предмет: Математика, автор: ludmulamiss

Готелі 50 номерів, із них 17 економ класу, 18 класу "Стандарт", а решта класу "Люкс". Скількома способами можна вибрати номер класу "Стандарт" або "Люкс"?​

Ответы

Автор ответа: lorabel26
4

2

Пошаговое объяснение:

тому що перед тобою вибір або Люкс або Стандарт, іншого варіанту немв

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