\usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage{amsfonts,amssymb,amsmath} % Fonte e símbolos matemáticos \usepackage[portuguese]{babel} \usepackage{tabularx} \usepackage{graphicx} \usepackage{times} \usepackage{ragged2e} \usepackage{colortbl} \usefonttheme{professionalfonts}