Mathematics

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Across
  1. 2. the normal direction minute hand moves
  2. 4. altogether
  3. 5. subtraction
  4. 6. half of 16
  5. 7. addition
  6. 8. same as
  7. 10. 12+8
Down
  1. 1. a comparison word
  2. 3. division
  3. 5. repeated addition
  4. 9. the number before 15