Предмет: Математика, автор: Аноним

Оля першу задачу розв'язувала 15 хв, другу
23 хв, а третю
22 хв. Скільки часу в середньому Оля витрачала на розв'язування
однієї задачі?

Ответы

Автор ответа: mpleten284

8

15хв+23хв+22хв=60хв;1 год;

60хв:3=20хв♡

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