maths

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Across
  1. 1. +
  2. 3. ...plus ...
  3. 5. answer:)
  4. 8. creator of crossword
  5. 9. x
  6. 10. use to measure angles
Down
  1. 2. line, dot top and bottom
  2. 4. boring
  3. 6. use to measure distance
  4. 7. -