Răspuns :
[tex]ma = \frac{a + b + 8}{3} = 16[/tex]
a+b+8=16x3
a+b+8=48
a+b=40
[tex]ma = \frac{a + b}{2} = \frac{40}{2} = 20[/tex]
[tex]ma = \frac{a + b + 8}{3} = 16[/tex]
a+b+8=16x3
a+b+8=48
a+b=40
[tex]ma = \frac{a + b}{2} = \frac{40}{2} = 20[/tex]