Răspuns :
Ma=x+y(totul supra 2)
82,56=x+14,12(totul supra 2)
x+14,12= 82,56•2 x+14,12=165,12 x=165,12-14,12 x=151,12
82,56=x+14,12(totul supra 2)
x+14,12= 82,56•2 x+14,12=165,12 x=165,12-14,12 x=151,12
m.a=(a+b):2=82,56
b=14,12
a=?
a+14,12=82,56x2=>
a+14,12= 165,12
a=165,12-14,12=>
a=151,00
b=14,12
a=?
a+14,12=82,56x2=>
a+14,12= 165,12
a=165,12-14,12=>
a=151,00