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AnB=<0,5>
A/B=(-3,0)
B/A=<5,6>
2.
AuB=(-∞,+∞)
AnB=(1,5)
A/B=(-∞,1>
B/A=<5,+∞)
3.
AuB=<-3,8>
AnB=(0,5)
A/B=<-3,0>u<5,8>
B/A=ZBIÓR PUSTY
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