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Odvození zákona lomu - HUYGENS 1678
Author:
Martin Vinkler
Průchod rovinné vlnoplochy rovinným rozhraním
GeoGebra
Huygensovy otázky a odpovědi!
GeoGebra
New Resources
Involute of the Circle
Difference engine Babbage vb 2
רישום חופשי
立体几何-公理3及推论
分數化百分數：練習
Discover Resources
triprop
Olimpiada Tulcea.
Exploration Triangle Similarity Concept
Copie de Symétrie centrale
Discover Topics
Tangent Function
Solids or 3D Shapes
Ratios
Rotation
Interest Calculation