School subjects

123456789
Across
  1. 1. - 9
  2. 3. - 3
  3. 5. - 10
  4. 7. - 2+3=5
  5. 8. - 4
  6. 9. - 7
Down
  1. 2. - 8
  2. 4. - 2
  3. 6. - 6
  4. 7. - 5