Math crossword

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Across
  1. 2. subtract 120-65
  2. 4. add 53,12,23
  3. 5. add 23,41,36
  4. 7. divide 960 by 12
  5. 8. subtract 624-84
Down
  1. 1. subtract 65-8
  2. 3. add 15,23,43
  3. 6. divide 540 by 60