Math

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Across
  1. 6. It is signified by the sign (+).
  2. 7. It is signified by the sign (x).
Down
  1. 1. It is signified by the sign (−).
  2. 2. A fraction written in a special form.
  3. 3. Exactly the same in number.
  4. 4. The data is represented by symbols.
  5. 5. Device for measuring or telling the time.