Question

suma a 3 nr nat consecutive este 45 aflati nr

Answer 1

a+a+1+a+2=45
3a+3=45
3a=45-3
3a=42.
a= 42:3
a=14
a+1=15
a+2=16.

Answer 2

a+a+1+a+2=45 3a+3=45 3a=45-3 3a=42 a=42:3 a=14 Urm doua nr sunt 15 si 16