References:
1. [url]http://math247.pbworks.com/w/page/20517522/Halloween%20with%20GeoGebra[/url]
2. [url]http://www.malinc.se/math/geogebra/slideren.php[/url]
spkwan
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- Target Group (Age)
- 19+
- Language
- English (United Kingdom)
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