Вопрос школьника по предмету Математика
Скорость лодки по течению 17 км/ч, а против течения 13 км/ч. Какова скорость течения реки ?
Задачу решить с пояснениеми
Ответ учителя по предмету Математика
Ответ:
2 км/ч
Пошаговое объяснение:
1) 17 — 13 = 4 ( км/ч ) — разность между скоростями
2) 4 : 2 = 2
13 + 2 = 15
Собственная скорость лодки — 15 км/ч
3) 17 — 15 = 2 ( км/ч ) — скорость течения
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