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a fost răspuns

deteminati a reunit cu b a intersectat cu a a -b b-a f)A={x€N/patrat perfect ,x<70};B={x€N/x cub perfect ,x<70

Răspuns :

Cosmo2
A={0^2,1^2,2^2,3^2,4^2,5^2,6^2,7^2,8^2}
A={0,1,4,9,16,25,36,49,64}

B={0^3,1^3,2^3,3^3,4^3}
B={0,1,8,27,64}

A reunit cu B={0,1,4,8,16,25,27,36,49,64}

A intersectat cu B={0,1,64}
A-B={4,9,16,25,36,49}

B-A={8,27}