[color=#c51414][b]Inspirado por[/b][/color] [url]http://sploid.gizmodo.com/all-the-white-dots-in-this-rotating-circle-are-moving-i-1608517148[/url].
[b][color=#c51414]Para más detalles mira[/color] [/b][url]https://www.youtube.com/watch?v=pNe6fsaCVtI[/url][b][/b]
[b][color=#1551b5]GeoGebra week challenge[/color][/b]
Construcción original de Branka Milivojevic [url]http://tube.geogebra.org/user/profile/id/34062[/url]