Укажи сочетательное свойство объединения множеств.
(A ∪ B) ∪ C = A ∪ (B ∪ K)
A ∪ (B ∪ C) = (A ∪ B) ∪ C
A ∪ (B ∪ C) = A ∪ (B ⋂ C)
(A ∪ B) ∪ C = A ∪ (B ∪ K)
A ∪ (B ∪ C) = (A ∪ B) ∪ C
A ∪ (B ∪ C) = A ∪ (B ⋂ C)
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Ответ:
Правильный ответ; A U(B UC)=(A U B) U C
Объяснение: