👤

Aflati 5 numere pare consecutive,stiind ca daca le adunam cu dublulsumei lor obtinem 180.Va rog raspundeti repede!!



Răspuns :

a,a+2,a+4,a+6,a+8
a+a+2+a+4+a+6+a+8+2(a+a+2+a+4+a+6+a+8)=180
5a+20+2·(5a+20)=180
5a+20+10a+40=180
15a=180-60
15a=120
a=8
a+2=10
a+4=12
a+6=14
a+8=16