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Intrebarea e atasata

Intrebarea E Atasata class=

Răspuns :

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

=> (89,97×20+0,76×21+9,27×22)/100

=> Ar = 20,193

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

[tex]explicatie \: pas \: cu \: pas[/tex]