Предмет: Математика, автор: Res11x

Витя и его мама одновременно вышли из дома и пошли в противоположные стороны с одинаковой скоростью: Витя — в школу, а мама — на работу. Через 10 10 минут Витя понял, что у него нет ключей от дома, а вернётся из школы он раньше мамы, поэтому он стал догонять её, увеличив скорость в пять раз. Через сколько минут с того момента, как он понял, что надо забрать ключи, Витя догонит маму

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Автор ответа: Gir345

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