Предмет: Алгебра, автор: tanyako4urovsk

. Скільки відсотків години складає 18 хвилин

Ответы

Автор ответа: alenka3081992

0

60 хв -100%
18 хв- х%, тоді
18 хв складає 100*18/60=30%

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