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TLUSTÁ čočka - ohniska, hlavní body, hlavní roviny
Author:
Martin Vinkler
Ohnisko F', hlavní bod H', hlavní rovina chý'
GeoGebra
Ohnisko F, hlavní bod H, hlavní rovina chý
GeoGebra
New Resources
Vectors: Addition and Subtraction - The Parallelogram Law
Weighing Scales (kg & g)
bewijs stelling van Pythagoras
Erdős's problem #503, n=3
Use a matrix with its elements as functions
Discover Resources
Transformational Geometry
Whirlpool illusion
Task 1
sumthin
Trigonometric Functions in Right Triangles
Discover Topics
Addition
Upper and Lower Sum or Riemann Sum
Isosceles Triangles
Ratios
Indefinite Integral