hmmmm

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Across
  1. 3. 20+20-10-15+25-10
  2. 6. 35-15+2-10
  3. 7. 35-14
  4. 8. 100/5 +30
  5. 9. 200/10+80
Down
  1. 1. 5+6-3
  2. 2. 27/9+6
  3. 4. 9-9+6-3
  4. 5. 3+4
  5. 6. 30-10
  6. 8. 8/2