Вопрос школьника по предмету Математика
расстояние между селами 36км скоростьт одного пешехода 5 км через 2 часа после начала движееия расстояние между пешеходами стало равно 3км определи скорость другого пешехода
Ответ учителя по предмету Математика
1) 5×2=10(км) — прошёл первый пешеход навстречу другому
2) 36-10-3=23(км) — прошёл второй пешеход.
3) 23_2=11,5(км/ч) — скорость, с которой шел второй пешеход.
Ответ: 11.5 км/ч.
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x+72=100
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