Adding and Subtracting Multi-Digit Numbers

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123456789
Across
  1. 2. 112-80
  2. 3. 60+20
  3. 5. 250-180
  4. 7. 70+30
  5. 9. 43+20
Down
  1. 1. 12+85
  2. 2. 100+200
  3. 4. 52+12
  4. 6. 30-21
  5. 8. 70-52