If A = {1, 2, 3, 4, 5, 6} and B = {2, 4, 6, 8}, then the sets A - B and B - A are __________ and ____________ respectively.
Let A = {1, 2, 3, 4, 5, 6} and B = {2, 4, 6, 8}. Then the sets A∪B and A∩B are