Låga primtal: [url=https://www.geogebra.org/m/gxrY37Af]https://www.geogebra.org/m/gxrY37Af[/url][br]Permutationer och fakultet: [url=https://www.geogebra.org/m/s6ppveqt]https://www.geogebra.org/m/s6ppveqt[/url][br]Fem fakultet: [url=https://www.geogebra.org/m/v2eeknbg]https://www.geogebra.org/m/v2eeknbg[/url][br]Aritmetiska talföljder: [url=https://www.geogebra.org/m/qhjg7jdq]https://www.geogebra.org/m/qhjg7jdq[/url][br](Grafteori, handelsresandes problem: [url=https://www.geogebra.org/m/hk7zmkcf]https://www.geogebra.org/m/hk7zmkcf[/url])[br][br][br]