1.
A ∪ B= {2,3,4,5,6,7}
С \ D ={6,7)
(A ∪ B) ∩ (C \ D)={6,7}
2.
A⊆ A ∪ B
B⊆A ∪ B
О т в е т. А; В
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Verified answer
1.
A ∪ B= {2,3,4,5,6,7}
С \ D ={6,7)
(A ∪ B) ∩ (C \ D)={6,7}
2.
A ∪ B= {2,3,4,5,6,7}
A⊆ A ∪ B
B⊆A ∪ B
О т в е т. А; В