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AnB= (0,2> u (4,6)
A\B=<-1,0) u <1,2> u (4,6) u (,7,8)
B\A = {3}
d)
AuB = <-2,5)
AnB = {0,1,2,3,}
A\B = <0,-1) u {4}
B\A = <-2,0)