Question

Suma a 5 numere naturale este consecutive 410 . Care sunt numerele?

Answer 1

a+a+1+a+2+a+3+a+4=410
5a+10=410
5a=410-10=>5a=400
a=400:5=>a=80
a+1=81
a+2=82
a+3=83
a+4=84

Answer 2

A+B+C+D+E=410. A|----------|. B|----------|+1|. C|----------|+1|+1| D|----------|+1|+1|+1|. E|----------|+1|+1|+1|+1|. }410. (410-10):5=400:5=80(A) Raspuns:A=80,B=81,C=82,D=83,E=84. Proba: 80+81+82+83+84=161+82+83+84=243+83+84=326+84=410