A Note on the Perturbation of arithmetic expressions. Baghdad Science Journal, Iraq, Baghdad, v. 13, n. 1, p. 0190, 2016. DOI: 10.21123/bsj.2016.13.1.0190. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2154.. Acesso em: 2 may. 2024.