Numbers

12345678
Across
  1. 2. 6-2=
  2. 4. 10-3+1=
  3. 7. 2+4+1=
  4. 8. 4+5=
Down
  1. 1. 2+1=
  2. 2. 8-6+3=
  3. 3. 1+2+3+4=
  4. 5. 8-6=
  5. 6. 10-9=
  6. 7. 10-2-2=