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Свойства перпендикулярной прямой плоскости
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Предмет:
Математика -
Автор:
eduardo75 - 6 лет назад
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Ответы 1
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1)Если плоскость перпендикулярна одной из двух параллельных прямых, то она перпендикулярна и другой.2) Две прямые, перпендикулярные одной и той же плоскости, параллельны
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Автор:
tobiasweiss - 6 лет назад
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a) little
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73. …a theatre and a few buildings in this street.
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79… some exercise-books on the desk.
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