DGS GInMA
Interactive sets (in Russian)
Advanced study
Inversion (rus)
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Tangent objects (rus)
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Conic sections. The properties of the ellipse (rus)
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Shortest path inside the object (rus)
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Shortest path on the surface (rus)
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Mathematical induction (rus)
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Cavalieri's method of finding the volume of the solids (rus)
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Finding volume using the Cavalieri principle (rus)
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Intersection of round solids (rus)
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Regular polyhedra (rus)
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Disphenoid (rus)
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Development of imagination (rus)
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Touching solids (rus)
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Stereographic projection (rus)
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Sphere (rus)
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Solids of intersection of polyhedra (rus)
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Solids of constant width (rus)
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Extremums (rus)
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Base study
Imagination (rus)
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Dihedral angle (rus)
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Three perpendiculars theorem (rus)
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Parallelism (rus)
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Perpendicular of a line and a plane (rus)
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Projections (rus)
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Distance between the lines (rus)
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Cross-sections of polyhedra (rus)
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Angle between a line and a plane (rus)
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Angle between the lines (rus)
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