Răspuns :
2+2-2+2-2/2+2-2 = 2+2-2+2-1+2-2
=4-2+2-1+2-2
=2+2-1+2-2
=4-1+2-2
=3+2-2
=5-2
=3
=4-2+2-1+2-2
=2+2-1+2-2
=4-1+2-2
=3+2-2
=5-2
=3
2+2-2+2-2:2+2-2=
2+2-2+2-1+2-2=
4-2+2-1+2-2=
2+2-1+2-2=
4-1+2-2=
3+2-2=
5-2=3...
2+2-2+2-1+2-2=
4-2+2-1+2-2=
2+2-1+2-2=
4-1+2-2=
3+2-2=
5-2=3...