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A',B' oraz A'nB':
a) A=(-1,2> , B=<4,5)
A'=(-∞,-1> u (2,∞)
B'=(-∞,-4) u <5,∞)
A'nB'=(-∞,-4) u <5,∞)
b)A=<-3,1> , B=(0,3>
A'=(-∞,-3) u (1,∞)
B'=(-∞,0> u (3,∞)
A'nB'=(-∞,-3) u (3,∞)