2215-3470 2215-3470 S2215-34702021000200328 10.15359/ru.35-2.21 Chile Chile Brazil 00 12 2021 00 12 2021 35 2 328 347

2021 9 1 e1040 1 2019 4 1 1 20-31 2020 16 12 12 2020 2007 28 2 2 49-77 2010 33 1 1 89-105 2014 7 1 1 11-31 2021 2007 39 1-2 1-2 127-35 2019 39 1 1 37-42 2020 12 2 2 3-15 2009 27 1 1 59-76 2000 12 1 1 70-92 2016 42 3 3 149-69 2020 2006 340 551-69 2019 10 1 1 121-34 2017 29 3 3 109-29 Ministerio de Educación 2015 Ministerio de Educación 2019 Ministerio de Educación 2020 2019 2018 11 2 2 45-56 National of Council of Teacher of Mathematics. 2003 2003 2015 27 1 1 37-64 2013 31 2 2 179-87 1994 26 275-98