Olá! Quero saber se está correto o que eu fiz? :$ Dados os conjuntos A={1,3,4},B={-2,1},c={-1,0,2} represente pelos elementos a) AXB B)BXA C)AXC RESPOSTAS: a) AXB = {(1,-2), (3,-2), (4,-2), (1,1), (3,1), (4,1)} b) BXA = {(-2,1), (1,1), (-2,3), (1,3), (-2,4), (1,4)} c) AXC = {(1,-1), (3,-1), (4,-1), ...