mając dane zbiory :
A={x:x∈R∧x≤5} i B={x:x∈N∧1<x<7}
wyznacz A∪B,A∩B,A-B,B-A
A = (-∞, 5>
B = (1,7)
AuB = (-∞,7)
AnB = (1,5>
A - B = (-∞,1>
B - A = (5,7)
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A = (-∞, 5>
B = (1,7)
AuB = (-∞,7)
AnB = (1,5>
A - B = (-∞,1>
B - A = (5,7)