The Fun They had

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Across
  1. 1. involving a lot of moving parts
  2. 4. argue or disagree over something
  3. 7. to make headway towards a goal
  4. 9. 10 X 10
  5. 10. to be expected; not out of the ordinary
Down
  1. 2. to figure out a problem mathematically
  2. 3. to put something in
  3. 5. one who comes to look over things
  4. 6. to feel like you are better than someone
  5. 8. failure to use something valuable