Răspuns :
a) 2,7,12,17,22,27,32,
b)132
c)2+7+12+17+22+27+32+37+42+47+52+57+62+67+72=555
b)132
c)2+7+12+17+22+27+32+37+42+47+52+57+62+67+72=555
a) 2,7,12,17,22,27,32,
b)132
c)2+7+12+17+22+27+32+37+42+47+52+57+62+67+72=555
b)132
c)2+7+12+17+22+27+32+37+42+47+52+57+62+67+72=555