Diket : K = {2,3,5,7,11}Tentukanhimp bagian K yang mempunyai empat anggota

{2,3,5,7} {2,3,5,11} {2,3,7,11} {2,5,7,11} {3,5,7,11}

{2,3,5,7} {2,3,5,11} {2,3,7,11} {2,5,7,11} {3,5,7,11}