Let A={1,2,3},B={2,4,6,8},C={2,3,5,6}. Then A∩(B∪C),......
If set A = {1, 2, 3}, set B = {4, 5}, then find A × B.
If A = {1, 2, 3}, B = {1, 4, 5}, then A - B = _______ ?