Question

Найдите A ∩B A ∪ B A = {1,2,3} B = {2,3,6,8,9}

Answer 1

A = {1; 2; 3}
B = {2; 3; 6; 8; 9}

A∩B = {2; 3}

AUB = {1; 2; 3; 6; 8; 9}