ybarrap's most recent materials Here you can access the 20 newest materials of the GeoGebraTube user 'ybarrap' Tue, 21 May 2013 16:50:08 +0200 Zend_Feed_Writer 1.12.0 (http://framework.zend.com) http://www.geogebratube.org y = (-2/3) x - 5/3 Sat, 22 Oct 2011 23:44:33 +0200 http://www.geogebratube.org/material/show/id/1112 http://www.geogebratube.org/material/show/id/1112 ybarrap ybarrap