math

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Across
  1. 2. one over one
  2. 3. one and nine over ten
  3. 6. top part of a fraction
  4. 8. thirteen over seven
  5. 9. bottom part of a fraction
Down
  1. 1. seven over thirteen
  2. 4. two over three : four over six
  3. 5. order of operation
  4. 7. two times six