Круги эйлера. дано: a={0,2,3,8,9,1}, b={1,4,5,2,6,8} найти 1) aub, 2) a∩b, 3) a\b, 4) b\a

1) AUA = A = {1,2,3,8,9}
2) A∩A = A = {1,2,3,8,9}
3)A\B = ∅
4)B\A = {0,4,5,6}
5) AUB = B = {0,1,2,3,4,5,6,8,9}
6) A∩B = A = {1,2,3,8,9}