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