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MEDIA ARITMETICA A TREI NUMERE CONSECUTIVE ESTE 108.ADLATI NUMERELE.
DE CE AI STERS TEMA NU AM HABAR .


Răspuns :

(a+a+1+a+2)÷3=108
3a+3=324
3a=321
a=107
a+1=108
a+2=109
[tex] \frac{a+a+1+a+2}{3} =108\\\\ \frac{3a+3}{3} =108\\\\ \frac{3a}{3} =108\\\\ a=108\\ a+1=109\\ a+2=110\\  Proba: \frac{108+109+110}{3} =108[/tex]