Question

A = {x e N / x es divisor de 12},
B = {x e N / x es divisor de 18} y
C = {x e N / x e s divisor de 16}.
Hallar: a) (A - B) n (B - C)
b) (A - B) u (B - C)

Answer 1

abc xen x 12 x e n 18 x e n 16 a b n bc b a b u b c