Addition and Subtraction

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Across
  1. 2. quotient of 70 and 5
  2. 5. 800 divided by 40
  3. 7. 15 x 5
  4. 9. 2 dozen
Down
  1. 1. 0 divided by any number
  2. 3. 35 divided by 1
  3. 4. 3 times 5
  4. 6. number divided by itself gives
  5. 8. 100 x 0
  6. 10. quotient of 100 and 2