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Mathematics, 29.12.2020 14:00 kiani46

Отрезки AB и CD пересекаются в точке O и в точке пересечения делятся пополам. Периметр треугольника AOC равен 120 см и OD:OB:AC=8:6:6. Найдите длину отрезка AB

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Отрезки AB и CD пересекаются в точке O и в точке пересечения делятся пополам. Периметр треугольника...
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