Question

suma a cinci numere consecutive pare este 120 .afla numerele

Answer 1

a+a+2+a+4+a+6+a+8=120
5a+20=120
5a=120-20
5a=100
a=100:5
a=20 (primul nr)

a+2=20+2=22 (al doilea nr)

a+4=20+4=24 (al treilea nr)

a+6=20+6=26 (al patrulea nr)

a+8=20+8=28 (al cincilea nr)