chuquimializ30 chuquimializ30 09-05-2024 Matemáticas contestada U = {1,2,3,4,5,6,7,8,9,10,11,12,13, 14, 15, 16,17,18} A= {3,5,7, 8, 10, 12, 16} B = {2, 4, 5, 8, 12,14,15} C={1,3,4,8, 12, 15, 18} a) A n B =>