Ответ:

ABA ∪ BA ∩ B
{2; 4; 6}{1; 2; 3}{1; 2; 3; 4; 6}{2}
{-3; -2; -1}{-1; 0; 1}{-3; -2; -1; 0; 1}{-1}
{3; 6; 9}{2; 4; 6}{2; 3; 4; 6; 9}{6}
{1; 2; 4}{-2; -1; 0}{-2; -1; 0; 1; 2; 4}∅
{-3; 0; 2}{0; 1; 3}{-3; 0; 1; 2; 3}{0}