Subtraction Flashcards
1
Q
12-12
A
0
2
Q
12-11
A
1
3
Q
12-10
A
2
4
Q
12-9
A
3
5
Q
12-8
A
4
6
Q
12-7
A
5
7
Q
12-6
A
6
8
Q
12-5
A
7
9
Q
12-4
A
8
10
Q
12-3
A
9
11
Q
12-2
A
10
12
Q
12-1
A
11
13
Q
12-0
A
12
14
Q
11-11
A
0
15
Q
11-10
A
1
16
Q
11-9
A
2
17
Q
11-8
A
3
18
Q
11-7
A
4
19
Q
11-6
A
5
20
Q
11-5
A
6
21
Q
11-4
A
7
22
Q
11-3
A
8
23
Q
11-2
A
9
24
Q
11-1
A
10
25
11-0
11
26
10-10
0
27
10-9
1
28
10-8
2
29
10-7
3
30
10-6
4
31
10-5
5
32
10-4
6
33
10-3
7
34
10-2
8
35
10-1
9
36
10-10
0
37
9-9
0
38
9-8
1
39
9-7
2
40
9-6
3
41
9-5
4
42
9-4
5
43
9-3
6
44
9-2
7
45
9-1
8
46
9-0
9
47
8-8
0
48
8-7
1
49
8-6
2
50
8-5
3
51
8-4
4
52
8-3
5
53
8-2
6
54
8-1
7
55
8-0
8
56
7-7
0
57
7-6
1
58
7-5
2
59
7-4
3
60
7-3
4
61
7-2
5
62
7-1
6
63
7-0
7
64
6-6
0
65
6-5
1
66
6-4
2
67
6-3
3
68
6-2
4
69
6-1
5
70
6-0
6
71
5-5
0
72
5-4
1
73
5-3
2
74
5-2
3
75
5-1
4
76
5-0
5
77
4-4
0
78
4-3
1
79
4-2
2
80
4-1
3
81
4-0
4
82
3-3
0
83
3-2
1
84
3-1
2
85
3-0
3
86
2-2
0
87
2-1
1
88
2-0
2
89
1-1
0
90
1-0
1
91
0-0
0
