👤
CosminIspir
a fost răspuns

{[(120+2x15):75+4]x10^2-40x5}:80

Răspuns :

{[(120+2x15):75+4]x10^2-40x5}:80 =

= {[(120+30):75+4]×100-200}:80 =

= [(150:75+4)×100-200]:80 =

= [(2+4)×100-200] : 80 =

= (6×100-200) : 80 =

= (600 - 200) : 80 =

= 400 : 80 =

= 5