Addition and Subtraction Crossword

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12345678910
Across
  1. 3. 111-12
  2. 5. 101-38
  3. 7. 99-52
  4. 8. 120-32
  5. 9. 22+29
  6. 10. 77+23
Down
  1. 1. 46+22
  2. 2. 115-35
  3. 4. 58+35
  4. 6. 30+42