Question

sa se arate ca numarul 2016 poate fi scris ca o suma de 7 numere consecutive !!!!rezolvarea intreaga vaa roogg

Answer 1

a+a+1+a+2+a+3+a+4+a+5+a+6=2016
7a+21=2016
7a=2016-21
7a=1995
a=1995:7
a=285
a+1=285+1=286
a+2=285+2=287
a+3=285+3=288
a+4=285+4=289
a+5=285+5=290
a+6=285+6=291
cele 7 nr. consecutive sunt: 285,286,287,288,289,290,291
285+286+287+288+289+290+291=2016