2+2=
4
4+2=
6
6+2=
8
6-3=
3
4+4=
7+1=
а
5-2=
10-2=
5-3=
2
5-1=
3+3=
6-1=
5
8-2=
7-1=
4-1=
5+5=
10
10-3=
7