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