[tex] m_{a} [/tex]=[tex] \frac{a+b}{2} =100.08
[/tex]
a=2b-5,01
[tex] \frac{2b-5,01+b}{2} =100.08
[/tex]
[tex] \frac{3b-5,01}{2} = 100.08 [/tex] ( il amplificam pe 100.08 cu 2)
3b=200,16-5,01
3b=205,17
b=[tex] \frac{205,17}{3} =68,39[/tex]
a=2·68,39-5,01=131,77
