Question

Suma a doua nr. pare consecutive este 510.Care sunt aceste nr?

Answer 1

2n - numar par
2n+2
2n+2n+2=510
4n=510-2
4n=508
n=508:4
n=127
Numerele sunt 254 si 256.

Answer 2

A+b =510

A |_____|

B|_____|+2

510-2=508

508:2=254
4
----
=10
=10
------
=8
=8
------
= =

A=254
B=254+2=256

Succes!!