Minus Three Numbers
3-1-1=9-1-4=5-3-2=8-5-1=
9-7-1=2-1-1=8-2-1=9-2-5=
7-2-3=6-3-3=6-1-4=6-3-2=
9-3-5=8-4-1=8-3-1=8-4-3=
9-3-6=9-1-7=9-1-2=5-1-3=
9-2-6=5-1-2=8-3-3=4-1-1=
6-2-3=9-4-4=9-3-4=5-1-4=
7-2-4=8-2-3=3-2-1=6-5-1=
7-4-2=7-4-1=7-6-1=9-4-2=
8-2-5=9-4-1=9-5-1=6-2-4=
7-5-1=9-2-2=9-1-8=4-1-2=
8-3-4=5-3-1=9-4-3=9-5-2=
8-1-2=4-3-1=9-6-2=5-1-1=
4-1-3=9-2-1=8-2-2=8-5-2=
7-1-1=6-1-5=7-3-2=6-1-3=
6-4-1=7-1-6=7-2-5=8-1-4=
8-4-2=9-6-3=6-1-1=8-5-3=
9-1-5=7-1-5=9-7-2=9-6-1=
9-2-3=5-2-3=9-5-3=7-2-1=
6-3-1=8-2-6=9-1-3=7-1-4=
9-3-1=8-1-5=7-4-3=3-1-2=