ajutor vreau rapid 80÷2+(50×2÷10+90)+10-25×4

Răspuns :

=40+(100:10+90)+10-100
=40+(10+90)+10-100
=40+100+10-100
=50
80:2+(50×2:10+90)+10-25×4=
80:2+(100:10+90)+10-25×4=
80:2+(10+90)+10-25×4=
80:2+100+10-25×4=
40+100+10-25×4=
40+100+10-100=
140+10-100=
150-100=
50