legge di Boyle (variante)
https://picasaweb.google.com/marinofurlan2/Boyle_con_geogebra?authuser=0&feat=directlink
boyle1a.gif
https://picasaweb.google.com/lh/photo/E60HkAAgzl4OhLa8jevsPdMTjNZETYmyPJy0liipFm0?feat=directlink
boyle1a.ggb boyle1aa.ggb boyle1aaa.ggb
xboyle1aaa.gif
https://picasaweb.google.com/lh/photo/xRF14Ph2bUzI-4hU0Ppr5NMTjNZETYmyPJy0liipFm0?feat=directlink