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pencilSubtraction 1-Digit

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