September 2018 1 25 Report

wyznacz zbiory: A \cup B , A \cap B , A\B , B\A jeśli:
a) A= {x:x ∈ N ∧ x < 25} ; B={x:x∈C ∧ x jest wielokrotnością 5}
b) A={2,5,7,8,9} ; B={3,5,7,10}
c) A=N ; B=Ø


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