Teaching of Mathematics in the initial years of Fundamental Teaching in Brazil: what the research presented in the XII ENEM-2016. Research, Society and Development, [S. l.], v. 7, n. 7, p. e877299, 2018. DOI: 10.17648/rsd-v7i7.299. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/299. Acesso em: 28 jun. 2025.