1
Q
16-9
A
7
2
Q
12-3
A
9
3
Q
13-8
A
5
4
Q
16-7
A
9
5
Q
13-9
A
4
6
Q
15-6
A
9
7
Q
14-5
A
9
8
Q
13-7
A
6
9
Q
12-9
A
3
10
Q
16-8
A
8
11
Q
14-8
A
6
12
Q
12-4
A
8
13
Q
11-9
A
2
14
Q
14-9
A
5
15
Q
13-6
A
7
16
Q
17-9
A
8
17
Q
17-8
A
9
18
Q
18-9
A
9
19
Q
16-7
A
9
20
Q
13-9
A
4
Subtraction
flashcards
Decks in class (1)
# Cards
