Minus Doubles Facts Flashcards
1
Q
18-9
A
9
2
Q
16-8
A
8
3
Q
14-7
A
7
4
Q
12-6
A
6
5
Q
10-
A
5
6
Q
8-4
A
4
7
Q
6-3
A
3
8
Q
4-2
A
2
9
Q
2-2
A
0
