Subtraction Flashcards
1
Q
10-2
A
8
2
Q
11-4
A
7
3
Q
12-6
A
6
4
Q
13-3
A
10
5
Q
9-6
A
3
6
Q
9-7
A
2
7
Q
10-9
A
1
8
Q
30-10
A
20
9
Q
40-20
A
20
10
Q
19-9
A
10
11
Q
132-2
A
130
12
Q
19-7
A
12
13
Q
11-3
A
8
14
Q
54-24
A
30
15
Q
16-8
A
8
16
Q
14-7
A
7