Addition and Subtraction > Subtraction > Flashcards
5-4
1
6-1
5
1-1
0
4-2
2
7-4
3
6-5
1-0
2-2
3-1
4-3
7-5
7-7
6-3
2-0
5-1
4
6-6
7-2
4-1
3-0
2-1
5-2
6-4
7-6
7-3