9-4=
7+5=
8+7=
2+6=
9+0=
10-2=
4+15=
3+8=
9+9=
6-4=
4+6=
6+7=
1+1-1=
8-8+7=
9+1-4=
8+6-3=
7+0-2=
14-4-1=
4+5-3=
7+3+6=