Addition and Subtraction

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Across
  1. 2. 9999-3496=
  2. 5. 6000+215+63=
  3. 7. 5001-1058-500=
Down
  1. 1. 8036-74-26=
  2. 3. 4301+1210=
  3. 4. 10000-167=
  4. 6. 1234+791=
  5. 8. 4000+80+1=