Răspuns :
700:(25×4)+700:5:5:2:2-700:100=
=700:100+700:5:5:2:2-700:100=
=7+140:5:2:2-7=
=7+28:1-7=
=7+28-7=
=28
=700:100+700:5:5:2:2-700:100=
=7+140:5:2:2-7=
=7+28:1-7=
=7+28-7=
=28