Răspunsuri

  • Utilizator Brainly
2014-02-11T18:35:35+02:00
In prima zi rezolva a probleme deci:
a + (a+1) + (a+2) + ....... + (a+14) = 225
15a + (1+2+...+14) = 225, a = 8
deci in ultima zi a+14 = 22 probleme