8+8= 8+7= 8+5= 8+3= 8+9= 8+6=
7+8= 8+4= 7+5= 7+10= 8+3= 7+6=
7+7= 5+7= 6+5= 8+3= 7+9= 9+6=
14-8= 13-8= 12-8= 11-8= 17-8= 18-9=
10-8= 15-8= 16-9= 15-9= 16-9= 12-7= 13-7= 14-7= 11-7= 16-7= 10-7= 15-7=
( )-7=3 ( )-8=6 ( )-7=8 ( )-9=5
( )-7=7 ( )-8=2 ( )-8=6 ( )-8=5
( )-9=8 ( )-8=7 ( )-8=4 ( )-7=5
( )-7=6 ( )-8=3 ( )-8=4 ( )-9=8
9+( )=11 9+( )=13 9+( )=15 8+( )=17
8+( )=10 8+( )=12 8+( )=14 9+( )=18
7+( )=16 7+( )=11 7+( )=15 7+( )=17
8+( )=11 8+( )=13 7+( )=12 8+( )=18
7+( )=10 7+( )=12 7+( )=14 7+( )=13
2+8+7= 8+7-9= 12-9+8= 14-9+8= 18-9-8=
4+8-7= 16-7-3= 15-9+3= 16-9+6= 18-9+9=
5+8-7= 5+7-9= 17-8+3= 11-7+6= 18-9-9=
5+7-8= 7+7-9= 13-8+9= 15-7+6= 14-9+8=