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