Стереометрия. Признаки и теоремы для задачи №14.
Стереометрия. Признаки и теоремы для задачи №14.
Теорема о трех перпендикулярах.
Признаки параллельности и перпендикулярности для прямых и плоскостей.
4 months ago 00:23:55 1
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5 months ago 02:12:22 13
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6 months ago 02:22:45 100
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8 months ago 00:00:00 2
8 months ago 00:24:55 1
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12 months ago 00:17:14 32
12 months ago 00:04:51 1
1 year ago 01:39:36 1
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2 years ago 01:45:29 146
2 years ago 00:21:35 1
2 years ago 00:03:35 1
2 years ago 00:08:53 1
