Study on equivalence relationships in the different number domains with one and two operations. Revista Científica Estelí, [S. l.], v. 13, n. 49, p. 94–110, 2024. DOI: 10.5377/esteli.v13i49.17887. Disponível em: https://revistas.unan.edu.ni/index.php/Cientifica/article/view/3827. Acesso em: 9 aug. 2025.