Single Digit Addition
6+1=
12+10=
22
1-0=
1
24-12=
12
100+243=
343
7+3=
10
14+13=
27
4-2=
2
38-23=
15
687-325=
362
2+9=
11
11+11=
22
9-3=
6
29-24=
5
444+212=
656
8+5=
64+35=
99
6-5=
1
77-31=
46
987-123=
864
9+4=
13
81+17=
98
8-4=
4
99-56=
43
349+240=
589