Question

Aflati cati termeni are urm sir : m,m+1,m+2,m+3,......,n,n>m+1 ; m,n∈N

Answer 1

Sirul 1,2,3,...,m,m+1,m+2,m+3,...,n are n termeni. Ignorand primii m-1 termeni, obtinem ca sirul m,m+1,m+2,m+3,...,n are n-(m-1)=n-m+1 termeni.