Question

media aritmetica a 5 numere pare consecutive este 24

Answer 1

Notam numarul cel mai mic a, iar celelalte vor fi a+2, a+4, a+6 si a+8. [a+(a+2)+(a+4)+(a+6)+(a+8)]/5=24. 5a+20=24*5, 5a+20=120, 5a=20 => a=4, a+2=6, a+4=8, a+6=10, a+8=12.