Mathematics

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Across
  1. 2. used for counting something
  2. 7. a term for dividing a part
  3. 8. numbers system which has negative symbols
  4. 9. formula used to open or simplify an expression that is in a bracket with different symbols
  5. 11. two same numbers multiplied
  6. 12. for comparing quantities
Down
  1. 1. solid shapes with Vertices , Edges and Faces
  2. 3. used for measurement approximately
  3. 4. extra amount to an amount
  4. 5. unknown numbers in alphabets
  5. 6. two or more things compared with visualising
  6. 10. sum of all sides