Предмет: Математика, автор: Аноним

Длина первой стороны теругольника 18 см,второй-в 3 раза меньше,а длина третьей стороны 14 см.Найди периметр этого прямоугольеика

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Автор ответа: Alex0042

0

18 : 3 = 6 см длина второй стороны 18 + 6 + 14 = 38 см периметр треугольника все

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