Răspuns :
media proportionala=media geometrica
a) Mg=√ (12√6x 18√6)=√216x6=√1296=36
b) Mg=√245/27 x 243/80 = simplificand
Mg=√49/1 x9/16=7x3/4=21/4
a) Mg=√ (12√6x 18√6)=√216x6=√1296=36
b) Mg=√245/27 x 243/80 = simplificand
Mg=√49/1 x9/16=7x3/4=21/4