Question

suma a patru nr consecutive marita de 5 ori da 110 .Care sunt cele patru nr.

Answer 1

(a+a+1+a+2+a+3)x5=110
a+a+1+a+2+a+3=110:5
4a+6=22
4a=22-6
a=16:4
a=4
nr sunt:4,5,6,7

Answer 2

Notam un nr cu x, atunci celelalte vor fix+1, x+2 si x+3
5(x+x+1+x+2+x+3)=110
4x+6=110/5
4x=22-6
x=16/4
x=4
x+1=4+1=5
x+2=6
x+3=7