1-0=

10-0=

8+0=

4-3=

7+0=

9-9=

9+1=

7-0=

7-1=

9+0=

8-8=

3-2=

4-2=

6-5=

6-6=

6-3=

6-3=

5-3=

5+0=

9-4=

8-2=

7+3=

5-2=

3-2=

7-5=

2+7=

4+5=

8-4=

2-1=

4-2=

7+1=

5-5=

7-3=

2-0=

8+1=

3+7=

4-3=

9-3=

7+1=

5+5=

9-6=

6-0=

2+4=

9-1=

9-3=

7-1=

2+8=

7+1=

7-6=

9-9=