wyznacz zbiory AuB,AnB,A\B,B\A gdy
a)A={a,c,e,g,i} B={d,e,f,g,h}
b)A={-2,-1,0,2} B={-3,-1,1,3}
c)A={1/2,1,2,4} B={0,√2,√4}
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a)suma AuB={a,c,e,g,i,d,f,h} iloczyn AnB={e,g} różnica A\B={a,c,i} różnica B\A={d,f,h}
b) AuB={-2,-1,0,2,-3,1,3} AnB={-1} A\B={-2,0,2} B\A={-3,1,3}
c) AuB={1/2, 1,2,4,0,pierwiastek z2} AnB={2} A\B={1/2, 1,4} B\A={0,pierwiastek z 2}