Вопрос школьника по предмету Математика
Скорость течения реки 2км/ч,скорость катера состовляет 7 целых одну вторых скорости течения реки.Найди скорость катера.
Ответ учителя по предмету Математика
скорость катера 7,5 скорости реки,
значит 2*7,5=15 скорость катера
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