¡Es raro poner un signo menos!

13 de cada uno:

1111-111=1000, 111111-11=11100, 111111-1=111110, 111-11-11=89

1111-1-11=1099, 1111-11-1=1099, 11111-1-1=11109.

111-1-1-11=98

111-1-11-1=98, 111-11-1-1=98, 1111-1-1-1=1108, 111-1- 1-1=107

11-1-1-1=6

2222-222=2000, 222222-22= 22200, 22222-2=222220, 222-22- 22=178

2222-2=2198, 2222-22-2=2198, 2222-2-2=22218, 222-2-2-22=196

222- 2-2=196, 222-22 -2-2-2=196, 2222-2-2-2=2216, 222-2-2-2=214

22-2-2= 12

3333-333=3000, 33333-33=33300, 33333-3=333330, 33333-33=267

3333-3-3=3297, 3333-3- 3=3297, 33333-3-3=33327, 333-3-3=294

3333-3-3=294, 33333-3-3=294, 3333-3-3=3324, 333-3-3= 321

33-3-3-3-3=18

4444-444=4000, 44444-44=44400, 44444-4=444440, 44444-44=356

4444-4-4=4396, 44444-4-4=4396.44444-4-4-4=44436, 444-4-4-44=392

4444-4-4-4=392, 444-4-4-4-4=392, 4444-4-4-4-4=4432,444-4-4-4-4=428

44-4-4-4-4=24

5555-555=5000, 5555-555-555=55500, 555555-5=555550, 555-55-55=445

5555-5-55=5495, 5555-55-5=5495, 55555-5-5=55545, 555-5-5-55=490

555-5- 55-5=490, 555-55-5-5=490, 5555-5-5=5540, 555-5-5-5=535

55-5-5-5=30

6666-666=6000, 66666-666=66600, 666666-6= 666660, 666-66-66=534

6666-6-66=6594, 66666-66- 6=6594, 66666-6-6=66654, 666-6-6-66=588

6666-6-66-6=588, 66666-66-6-6=588, 66666- 6-6-6-6-6=6648, 666-6-6-6-6=642

66-6-6-6-6-6=36

7777-777=7000,77777-777=77700, 77777-7=777770, 777-77-77=623

7777-7-77=7693, 7777-77-7=7693, 7777- 7-7=77763, 777-7-7-77=686

777-7-77-7=686, 7777-77-7-7=686, 7777-7-7-7= 7756, 7777-7-7-7-7=749

77-77-7-77 7-7-7-7-7=42

8888-888=8000 ,88888-88=88800,

88888-8=88880, 888-88-88=712

8888-8-88-88=8792, 88888-88-8=8792, 88888-8-8=88872.888-8-8- 88=784

888-8-88-8=784, 888-88-8-8-8=784, 8888-8-8-8-8=8864, 888-8-8- 8-8=856

88-8-8-8-8-8=48

9999-999=9000,999999 -99=99900, 99999-9=999990, 999-99-99=801

9999-9-99=9891, 9999-99-9=9891, 99999-9-9=99981, 999-9-9-99=882

999-9-99-9=882.999-99-9-9-9=882, 9999-9-9-9=9972, 999-9-9-9-9=963

99-9-9-9-9=54