1. Wyznacz sumę, iloczyn i różnicę zbiorów: A = < -1, ∞ ) i B = ( -5, 3 >
AuB=(-5, +∞)
AnB=<-1,3>
A\B=(3,+∞)
B\A=(-5,-1)
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AuB=(-5, +∞)
AnB=<-1,3>
A\B=(3,+∞)
B\A=(-5,-1)