Răspuns:
Explicație pas cu pas:
ma=(2+14)/2=16/2=8
mg=[tex]\sqrt{2x14}[/tex]=2[tex]\sqrt{7}[/tex]
ma=(6+10+15)/3=31/3
mg=[tex]\sqrt{6}[/tex]×[tex]\sqrt{10}[/tex]×[tex]\sqrt{15}[/tex]=30
ma=(5+15+21)/3=41/3
mg=[tex]\sqrt{5}[/tex]×[tex]\sqrt{15}[/tex]×[tex]\sqrt{21}[/tex]=15[tex]\sqrt{7}[/tex]
