SpeedMath > Subtraction > Flashcards
9-1
8
9-2
7
9-3
6
9-4
5
9-5
4
9-6
3
9-7
2
9-8
1
9-9
0
8-1
8-2
8-3
8-4
8-5
8-6
8-7
8-8
7-1
7-2
7-3
7-4
7-5
7-6
7-7