GeoGebra
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GeoGebra
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PIP Stredová súmernosť (c) David Adandedjan
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jaroslav1001
PIP Stredová súmernosť
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PIP Feuerbachova kružnica (c) Vozárová, Vandlíková
PIP Napoleonova veta
Drawing the Line
Exponential Equation Exploration
Lagrange multipliers 1
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volume - surface area
Razones trigonometricas
Angle Between Two Planes
BC1. Construct an Equilateral Triangle
Whiteboard 白板 (Landscape 橫向)