A∩B = {3,4}
A∩C = {1,3,4}
A∪B = {1,2,3,4,5,6}
A∪C = {1,2,3,4,6}
B∩C = {3,4,6}
A∩空集 = 空集
B∪C = {1,3,4,5,6}
C∪空集 = {1,3,4,6}