Question

observe o diagrama de Venn e determine

Answer 1

a) A∪B∪C = {-5,-2,-1,0,1,3,4,7,8,9,10,13,14,25} 
b) A∩B∩C = {1,3,13,14}
c) A-B = {-1,7,8,9,14}
d) (A∪B) - C = {-1,0,3,4,7,8,9,10}