parallels or not?

parallels or not? Thessaloniki (Macedonia-Greece) July 2014

 

sonom

 
Materialtyp
Aktivität
Tags
game  illusion  lines  parallel  squares 
Zielgruppe (Alter)
10 – 19+
Sprache
English (United States)
 
 
 
© 2026 International GeoGebra Institute