Question

Fie multimile
A egal (3,4,5), B egal (5,6,7,8) C egal (2,4,8) K egal (1,3,5,7)

Allati:
A U B, AUK, B U K ,C U K,

Answer 1

A U B={3,4,5,6,7,8}
A U K={1,3,4,5,7}
B U K={1,3,5,6,7,8}
C U K={1,2,3,4,5,7,8}

Answer 2

A ∪ B = {3, 4, 5, 6, 7, 8}

A ∪ K = {3, 4, 5, 1, 7}

B ∪ K = {5, 6, 7, 8, 1, 3}

C ∪ K = {1, 3, 5, 7, 2, 4, 8}