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