Subtraction Two's Flashcards
1
Q
2-1
A
1
2
Q
3-2
A
1
3
Q
4-2
A
2
4
Q
5-2
A
3
5
Q
6-2
A
4
6
Q
7-2
A
5
7
Q
8-2
A
6
8
Q
9-2
A
7
9
Q
10-2
A
8
10
Q
11-2
A
9
11
Q
12-2
A
10
12
Q
13-2
A
11
13
Q
14-2
A
12
14
Q
15-2
A
13
15
Q
16-2
A
14
