Răspuns :
a)4431
b)6068,6168,6268,6368,6468,6568,6668,6768,6868,6968
c)8940,8941,8942,8943,8944,8945,8946,8947,8948,8949
b)6068,6168,6268,6368,6468,6568,6668,6768,6868,6968
c)8940,8941,8942,8943,8944,8945,8946,8947,8948,8949