Revert "Первая версия лабораторой"

This reverts commit 5f42bdccb441cf41d1ef13f2b837db99eebfd4d0.
Редакция № 2
Revert "Редакция № 2"

This reverts commit fb2f77a71cad47b78155f766c35606e2a3c6028a.
Revert "Revert "Редакция № 2""

This reverts commit 2b91faa9300809c1ea64068b9470543ae45d6d3d.