Question

Intrebarea e atasata

Answer 1

Ar = (%A1 + %A2 + %A3)/100

=> (89,97×20+0,76×21+9,27×22)/100

=> Ar = 20,193

Answer 2

$ar = (\%a1 + \%a2 + \%a3)supra \: 100$
(89,97×20+0,76×21+9,27×22)/100
Ar=20,193

$explicatie \: pas \: cu \: pas$