Crossword Puzzle on Integers

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Across
  1. 2. (63x54)- -65=
  2. 7. -50x76=
  3. 8. -121/122=
  4. 9. 50x-50=
  5. 15. 1234x-163=
Down
  1. 1. (13- -58)x67=
  2. 3. 821+51=
  3. 4. -200x-300=
  4. 5. 6x-8=
  5. 6. (58+600)- -56=
  6. 10. 100- -60 =
  7. 11. -124-134=
  8. 12. -80+-86=
  9. 13. (-95-68)- -58=
  10. 14. -90+-13=