Параллельность и перпендикулярность прямых и плоскостей
Кочерова А.С (МФТИ)
Учебные и иллюстративные материалы для школьников, студентов младших курсов и преподавателей
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![[СТРИМ] СВЕСТИ СЧЕТЫ | Elden Ring (#26)](https://sun9-26.userapi.com/2tD76gJ6noqw98_UhpH5HWqdXuKQLwAxxhJ3ug/ngsBijMuUBc.jpg)
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