4+8=
15-10=
7-7=
4+6+3=
7+9=
10+5=
10-3=
2+8-8=
9-0=
7-5=
5+6=
15-5-5=
6+4=
10+4=
9+10=
9-5+7=
9+5=
6-2=
3+8=
13-3-6=
10-2=
8+8=
17-10=
15-5+3=