3+5=
4+4=
7+2=
6+3=
9+3=
5+8=
7+7=
6+9=
11-4=
12-5=
15-10=
12-9=
14-7=
13-4=
16-2=
18-1=
=3+7
=8-4
=5+6
=12-4
7+8-8=
5+8+2=
6+9-1=
3+
+2=11
8-
-2=2
11-
+3=12
9+
=8+3
3+
=9-2
6-
=7-4