Răspuns :
Ti-am facut doar la a.)
[tex] \frac{320+80}{2} = 200 [/tex]
[tex] \sqrt{320+80} =20[/tex]
Rezulta 200>20
Succes!
[tex] \frac{320+80}{2} = 200 [/tex]
[tex] \sqrt{320+80} =20[/tex]
Rezulta 200>20
Succes!
a) media geometrica 320 si 80:mg=v(320*80)=160
media aritmetica 320 si 80: ma=(320+80)/2=400/2=200
200>160
=> mg<ma
b)media geometrica 3/4 si 3/ 25.:mg=v(3/4 * 3/25)=3/10
media aritmetica 3/4 si 3/25: ma=(3/4 +3/25)/2=[(75+12):100]/2=(87:100)/2=87/200
3/10=(3*20)/(20*10)=60/200
60/200<87/200
=> mg<ma
etc
media aritmetica 320 si 80: ma=(320+80)/2=400/2=200
200>160
=> mg<ma
b)media geometrica 3/4 si 3/ 25.:mg=v(3/4 * 3/25)=3/10
media aritmetica 3/4 si 3/25: ma=(3/4 +3/25)/2=[(75+12):100]/2=(87:100)/2=87/200
3/10=(3*20)/(20*10)=60/200
60/200<87/200
=> mg<ma
etc