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fragerin
22.12.2022 03:20

ABCDA₁B₁C₁D₁ — прямоугольный параллелепипед, основаниями которого служат квадраты ABCD и A₁B₁C₁D₁. Точки F и О — середины ребер В₁С₁ и DC соответственно.

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Ответ:
az0967848
17.04.2019 03:40

решение к задаче приложено к ответу

ABCDA₁B₁C₁D₁ — прямоугольный параллелепипед, основ

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