Flashcard Exchange User: 510sunshine13 http://www.flashcardexchange.com/user/216285 en-us Thu, 16 Feb 2012 01:39:57 PST Thu, 16 Feb 2012 01:39:57 PST support@flashcardexchange.com 720 addtion facts http://www.flashcardexchange.com/flashcards/view/416240 flash cards for addition Mon, 11 Dec 2006 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/416240