Subtraction Flashcards
1
Q
2-1
A
1
2
Q
3-1
A
2
3
Q
4-1
A
3
4
Q
5-1
A
4
5
Q
6-1
A
5
6
Q
7-1
A
6
7
Q
8-1
A
7
8
Q
9-1
A
8
9
Q
10-1
A
9
10
Q
3-2
A
1
11
Q
4-2
A
2
12
Q
5-2
A
3
13
Q
6-2
A
4
14
Q
7-2
A
5
15
Q
8-2
A
6
16
Q
9-2
A
7
17
Q
10-2
A
8
18
Q
11-2
A
9
19
Q
4-3
A
1
20
Q
5-3
A
2
21
Q
6-3
A
3
22
Q
7-3
A
4
23
Q
8-3
A
5
24
Q
9-3
A
6
25
Q
10-3
A
7
26
Q
11-3
A
8
27
Q
12-3
A
9
28
Q
5-4
A
1
29
Q
6-4
A
2
30
Q
7-4
A
3
31
Q
8-4
A
4
32
Q
9-4
A
5