Integer Crossword Puzzle

Edit Answers
12345678910111213
Across
  1. 5. -15+10=
  2. 6. -20+30
  3. 7. 17-18=
  4. 8. -16+30=
  5. 10. -45+23=
  6. 11. -5+10=
  7. 13. 14-17=
Down
  1. 1. 1-7=
  2. 2. -10+10
  3. 3. 45+-10=
  4. 4. -14+2=
  5. 5. 15-25=
  6. 7. 15-17=
  7. 9. 3--2=
  8. 12. 10--20=30