maths

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Across
  1. 2. either of two equal or corresponding parts into which something is or can be divided
  2. 6. the action or process of adding something to something else
  3. 7. a process in which a number, quantity, expression, etc., is altered or manipulated according to set formal rules, such as those of addition, multiplication, and differentiation.
  4. 8. determine the total number of (a collection of items)
  5. 10. the same in quantity, size, degree, or value
  6. 11. an impressive display or range of a particular type of thing
Down
  1. 1. the process or skill of multiplying.
  2. 3. a plane figure with six straight sides and angles.
  3. 4. take away (a number or amount) from another to calculate the difference.
  4. 5. the same in quantity, size, degree, or value
  5. 9. a unit of measurement of angles, one ninetieth of a right angle or the angle subtended by one three-hundred-and-sixtieth of the circumference of a circle