August 2018 1 18 Report
Wartość bezwzględna:

2.niech:
A={x:x ∈ N ∧ x ≤ - 3 ∨ x >4}, B={x:x ∈ N ∧ |7-2x|≤5}
wyznacz: AuB , AnB, A\B, B\A


3.niech:
A={x:x ∈ R ∧ √x²+2x²+1 ≤ 4}, B={x:x∈ R ∧ √x²+2x+1 ≤ 4}
A) zapisz zbiory A i B za pomocą podziałów liczbowych
B)Wyznacz :
AuB , AnB, A\B, B\A

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