13+7=
|
17+3=
|
20-6=
|
8-2=
|
17+2=
|
14+6=
|
5+14=
|
9+6=
|
5+6=
|
6+11=
|
14+5=
|
16+1=
|
13+3=
|
11-6=
|
9-9=
|
9-7=
|
17-10=
|
3+17=
|
5+3=
|
12-9=
|
18-17=
|
9-7=
|
7-4=
|
20-10=
|
7-3=
|
18-17=
|
2+11=
|
10+2=
|
8+5=
|
9-1=
|