2215-3470 2215-3470 S2215-34702019000200055 10.15359/ru.33-2.5 Spain Spain Costa Rica 00 12 2019 00 12 2019 33 2 55 75

2007 12 1998 2000 (200 4 2011 169-90 1976 2005 2005 8 3 3 287-317. 2009 12 1 1 29-66 2010 13 3 3 283-306 1996 1994 1991 2001 19 3 3 405-14 1995 15 3 3 42-9 2002 54-61 2014 9 1 1 29-39 2011 1-10 2014 2007 19 1 1 63-98. 1991 64 5 5 291-314. 2002 33 5 5 379-405 1978 2011 327-46 1998 2005 2003 Ministerio de Educación Pública 2012 2007 2 1 1 101-21 2010 National Council of Teachers of Mathematics 2003 1950 2007 66 1 1 23-41 2000 Real Academia Española 2006 2001 2013 1-22 201 2002 15 68-78 2007 38 3 3 289-321 1958 2012 2012 66-74 2012 182-4 1960