http://www.flashcardexchange.com/user/70337 en-us Wed, 15 Feb 2012 03:32:47 PST Wed, 15 Feb 2012 03:32:47 PST support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/254336 100 Facts Sun, 26 Sep 2004 12:00:00 PDT http://www.flashcardexchange.com/flashcards/view/254336 http://www.flashcardexchange.com/flashcards/view/247029 Subtraction Facts through 18-9 Tue, 08 Jun 2004 12:00:00 PDT http://www.flashcardexchange.com/flashcards/view/247029