the fun they had

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Across
  1. 2. to shine brightly and suddenly, or to make something shine in this way
  2. 5. to take a machine apart or to come apart into separate pieces
  3. 6. existing in fact
  4. 8. now or without waiting or thinking
  5. 9. a long, narrow hole, especially one for putting coins into or for fitting a separate piece into
  6. 10. a number that results from dividing one whole number by another
  7. 11. to change something slightly, especially to make it more correct, effective, or suitable
Down
  1. 1. a mistake, especially something for which you are to blame
  2. 3. arrogant
  3. 4. to put something inside something else
  4. 5. unhappy because someone or something was not as good as you hoped or expected, or because something did not happen
  5. 7. to judge the number or amount of something by using the information that you already have, and adding, taking away, multiplying, or dividing numbers
  6. 10. to be the right size or shape for someone or something