Question

Va roog, dau coroana

Answer 1

$V_{\text{calculator}}=L*l*h=20*40*45=36000~cm^{3}$
$V_{\text{proiector}}=20lasuta*V_{\text{calculator}}=$
$=20lasuta*36000=$
$=20*36000/100=$
$=20*360=7200~cm^{3}$