Răspuns :
nr de forma abcde care au cifre consecutive
12345, 23456, 34567,45678, 56789
si nr consecutive impare
13579 cu cifre consecutive impare
12345, 34567, 56789
12345, 23456, 34567,45678, 56789
si nr consecutive impare
13579 cu cifre consecutive impare
12345, 34567, 56789