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enumerati elementele mulțimilor
A={X€Z|-2mai mic sau egal x <2}
B={X€N|x<5}
C={n€N*|1\12mai mic sau egal 1/2n+1mai mic sau egal1/6}
D={t€N|radical50 <t<radical60}
E={X€Z|3>|x|}​