Subtraction
1 - 1 = ___
2 - 1 = ___
3 - 1 = ___
4 - 1 = ___
5 - 1 = ___
6 - 1 = ___
7 - 1 = ___
8 - 1 = ___
9 - 1 = ___
10 - 1 = ___
11 - 1 = ___
12 - 1 = ___
13 - 1 = ___
14 - 1 = ___
15 - 1 = ___
16 - 1 = ___
17 - 1 = ___
18 - 1 = ___
19 - 1 = ___
20 - 1 = ___
21 - 1 = ___
22 - 1 = ___
23 - 1 = ___
24 - 1 = ___
25 - 1 = ___
26 - 1 = ___
27 - 1 = ___
28 - 1 = ___
29 - 1 = ___
30 - 1 = ___
31 - 1 = ___
32 - 1 = ___
33 - 1 = ___
34 - 1 = ___
35 - 1 = ___
36 - 1 = ___
37 - 1 = ___
38 - 1 = ___
39 - 1 = ___
40 - 1 = ___
41 - 1 = ___
42 - 1 = ___
43 - 1 = ___
44 - 1 = ___
45 - 1 = ___
46 - 1 = ___
47 - 1 = ___
48 - 1 = ___
49 - 1 = ___
50 - 1 = ___
51 - 1 = ___
52 - 1 = ___
53 - 1 = ___
54 - 1 = ___
55 - 1 = ___
56 - 1 = ___
57 - 1 = ___
58 - 1 = ___
59 - 1 = ___
60 - 1 = ___
61 - 1 = ___
62 - 1 = ___
63 - 1 = ___
64 - 1 = ___
65 - 1 = ___
66 - 1 = ___
67 - 1 = ___
68 - 1 = ___
69 - 1 = ___
70 - 1 = ___
71 - 1 = ___
72 - 1 = ___
73 - 1 = ___
74 - 1 = ___
75 - 1 = ___
76 - 1 = ___
77 - 1 = ___
78 - 1 = ___
79 - 1 = ___
80 - 1 = ___
81 - 1 = ___
82 - 1 = ___
83 - 1 = ___
84 - 1 = ___
85 - 1 = ___
86 - 1 = ___
87 - 1 = ___
88 - 1 = ___
89 - 1 = ___
90 - 1 = ___
91 - 1 = ___
92 - 1 = ___
93 - 1 = ___
94 - 1 = ___
95 - 1 = ___
96 - 1 = ___
97 - 1 = ___
98 - 1 = ___
99 - 1 = ___
100 - 1 = ___