Media aritmetică a numerelor.
![Media Aritmetică A Numerelor class=](https://ro-static.z-dn.net/files/d47/0ba45c50ba5ea7b33aad5b5ac6cf80be.jpg)
Răspuns:
Explicație pas cu pas:
a)
3√3 + 7√3 - 16√3 = -6√3
media aritmetica = -6√3 : 3 = -2√3
b)
-3√5 + 10√5 + 4√5 = 11√5
media aritmetica = 11√5/3
c)
21√2 - 10√2 + √2 = 12√2
media aritmetica = 12√2 : 3 = 4√2
a) [tex]\frac{3\sqrt{3} +7\sqrt{3} +(-16\sqrt{3} )}{3}[/tex]= [tex]\frac{-6\sqrt{3} }{3}[/tex]=[tex]-2\sqrt{3}[/tex]
b) [tex]\frac{-3\sqrt{5}+10\sqrt{5} +4\sqrt{5}}{3}[/tex]=[tex]\frac{11\sqrt{5} }{3}[/tex]
c) [tex]\frac{21\sqrt{2}+(-10\sqrt{2})+ \sqrt{2} }{3}[/tex]=[tex]\frac{12\sqrt{2} }{3}[/tex]=[tex]4\sqrt{2}[/tex]