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Сторона АВ треугольника ABC равна 17 см. Сторона АС вдвое больше стороны АВ, а сторона ВС на 10 см меньше стороны АС. Найдите периметр треугольника ABC.

akolosov2002 akolosov2002    3   17.04.2019 03:40    2

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nut56 nut56  17.04.2019 03:40

решение к задаче приложено к ответу

Сторона АВ треугольника ABC равна 17 см. Сторона А

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