Question

Круги Эйлера. Дано: A={0,2,3,8,9,1}, B={1,4,5,2,6,8} Найти 1) AUB, 2) A∩B, 3) AB, 4) BA

Answer 1

1) AUA = A = {1,2,3,8,9}
2) A∩A = A = {1,2,3,8,9}
3)AB = ∅
4)BA = {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}

Answer 2

++++++++++++++++++++++++++++++++++++++++++