Question

Sabe-se que:
A ∪ B ∪ C= {n ∈ N/ 1 ≤ x ≤ 10}
A ∩ C= {2,7}
A ∪ B= {n ∈ N/ 1 ≤ x ≤ 8}
A ∩ B= {2,3,8}
B ∩ C= {2,5,6}

Determine o conjunto C.

Answer 1

A ∪ B ∪ C= {n ∈ N/ 1 ≤ x ≤ 10}
A ∩ C= {2,7}
A ∪ B= {n ∈ N/ 1 ≤ x ≤ 8}
A ∩ B= {2,3,8}
B ∩ C= {2,5,6}

C= {2,5,7}