Предмет: Математика, автор: 0512vikabahno

пожалуста роспешите все. У 15 кг сплаву міститься б кг цинку. Скільки цинку в 10 кг цього сплаву?

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Ответы

Автор ответа: Аноним

2

Ответ:

4 кг

Пошаговое объяснение:

В 15 кг сплаву міститься 6 кг цинку, зробимо проворцію:

15кг(сплаву)=6кг(цинку)

10кг(сплаву)=х

х=10*6/15=4кг(цинку)

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