CuA={2,4,6,7,8,9,10}
CuB={1,3,5,7,9,10}
A∩CuB =｛1,3,5｝
A∪CuB = CuB = {1,3,5,7,9,10}
Cu(A∩B）= U
Cu(A∪B) = {7,9,10}