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Свойства на средната отсечка
Author:
Mariana Velinova
Да се докаже, че средите на две срещулежащи страни в четириъгълник и средите на диагоналите му или лежат на една права, или са върхове а успоредник.
GeoGebra
New Resources
Exploring the Derivative of an Exponential Function
Average Rate of Change: Graph a Function (2)
Exploring Simple Loci 探究簡單軌跡
Poorly Drawn Parallelograms
Droste effect draft
Discover Resources
Net Electrostatic Force on Multiple Charges
Right Pyramid
If a line segment joining two points subtends equal angles at two other points lying on the same side of the line containing the line segment, then the four points are concyclic
Learn Definition of Function
Compound Angle Formulae