Subtraction Flashcards
0
Q
8-4
A
4
1
Q
5-3
A
2
2
Q
14-7
A
7
3
Q
12-4
A
8
4
Q
9-5
A
4
5
Q
8-5
A
3
6
Q
18-13
A
5
7
Q
17-4
A
13
8
Q
19-10
A
9
9
Q
3-1
A
2
10
Q
15-7
A
8
11
Q
16-9
A
5
12
Q
19-7
A
12
13
Q
14-12
A
2
14
Q
18-12
A
6
15
Q
13-6
A
7
16
Q
9-7
A
2
17
Q
11-5
A
6
18
Q
18-9
A
9
19
Q
23-19
A
4
