Răspuns :
Media aritmetica =21,35
21,35x2=42,70
42,70-18,3=24,4 primul număr
Verificare :
24,4+18,3=42,70
Ma=(24,4+18,3)/2=42,70/2=21,35
Succes!
21,35x2=42,70
42,70-18,3=24,4 primul număr
Verificare :
24,4+18,3=42,70
Ma=(24,4+18,3)/2=42,70/2=21,35
Succes!