1 Digit
9-5=
4
22-10=
12
322-100=
222
7,895-1,543=
6,352
12,369-11,235=
1,134
8-2=
6
67-14=
53
567-123=
444
5,693-1,252=
4,441
15,000-12,000=
3,000
7-1=
6
56-12=
44
765-223=
542
6,398-2,152=
4,246
20,500-10,000=
10,500
5-3=
2
77-31=
46
983-111=
876
7,523-1,212=
6,311
35,500-30,000=
5,500
9-8=
1
99-10
89
432-122=
310
6,589-3,214=
3,375
70,000-60,000=
10,000