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subtraction fact practice

AB
7-2=5
9-5=4
10-6=4
9-9=0
4-0=4
8-6=2
6-3=3
9-6=3
7-5=2
5-4=1
10-0=10
7-7=0
8-7=1
6-1=5
11-2=9
12-4=8
10-5=5
12-6=6
7-0=7
8-1=7
8-2=6
10-8=2