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GeoGebra
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Σούφαρη Αθανασία
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US Roadtrip!
Polygons: Exterior Angles
Congruent Complements Theorem
Vertical Angles Theorem
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Suprotni vektori
Miguel's van Schooter Like
ARUBA G&R WI CB1 H1 Opgave 52 (28)
Abstand: Punkt - Ebene