SIR-modellen med differentialekvationer: [url=https://www.geogebra.org/m/uGys8hfb]https://www.geogebra.org/m/uGys8hfb[/url][br]Den största lådan: [url=https://www.geogebra.org/m/ggxKDBgt]https://www.geogebra.org/m/ggxKDBgt[/url][br][br][br][br]