Subtraction Flashcards
1
Q
10-2
A
8
2
Q
11-4
A
7
3
Q
12-6
A
6
4
Q
13-3
A
10
5
Q
9-6
A
3
6
Q
9-7
A
2
7
Q
10-9
A
1
8
Q
30-10
A
20
9
Q
40-20
A
20
10
Q
19-9
A
10
11
Q
132-2
A
130
12
Q
19-7
A
12
13
Q
11-3
A
8
14
Q
54-24
A
30
15
Q
16-8
A
8
16
Q
14-7
A
7
17
Q
25-2
A
23
18
Q
43-13
A
30
19
Q
14-1
A
13
20
Q
19-3
A
16
21
Q
19-2
A
17
22
Q
15-4
A
11
23
Q
13-2
A
11
24
Q
90-80
A
10
25
67-17
50
26
1330-200
1130
27
23-4
19
28
14-8
6
29
90-6
84
30
87-9
78
31
10-4
6
32
11-4
7
33
4-1
3
34
3-2
1
35
34-14
20
36
44-24
20
37
13-9
4
38
13-3
10
39
32-0
32
40
9000-9000
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