Question

a) A = {2x/x  N; x < 100}
b) B = {2; 3; 4} y C = {x/x  N, 1 < x < 5}
c) P = {3x/x  N; "x" es par, 2 < x < 4}
d) M = {d, u ,l ,c ,e}
e) R = {x/x  N}
Doy corona el primero que me responda