soustractions Flashcards
1
Q
18-9
A
9
2
Q
17-9
A
8
3
Q
17-8
A
9
4
Q
16-9
A
7
5
Q
16-8
A
8
6
Q
16-7
A
9
7
Q
15-9
A
6
8
Q
15-8
A
7
9
Q
15-7
A
8
10
Q
15-6
A
9
11
Q
15-5
A
10
12
Q
15-4
A
11
13
Q
14-9
A
5
14
Q
14-8
A
6
15
Q
14-7
A
7
16
Q
14-6
A
8
17
Q
14-5
A
9
18
Q
13-9
A
4
19
Q
13-8
A
5
20
Q
13-7
A
6
21
Q
13-6
A
22
Q
13-5
A
8
23
Q
13-4
A
9
24
Q
12-9
A
3
25
Q
12-8
A
4
26
Q
12-7
A
5