Răspuns :
[tex]\frac{a+b+8}{3} = 16[/tex]
a+b+8= 3·16
a+b+8= 48
a+b= 40
[tex]\frac{a+b}{2} = \frac{40}{2} = 20[/tex]
Răspuns:
[tex]\frac{a+b+8}{3}[/tex]=16
=> a+b+8=16*3=48
=>a+b=48-8=40
m.a. (a,b)=[tex]\frac{a+b}{2}[/tex]=[tex]\frac{40}{2}[/tex] = 20