Algebra crossword

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Across
  1. 5. a part, share, or number considering and comparation relation to a whole
  2. 7. not consistent or having a fixed partner, liable to change
  3. 8. the process or skill of taking one number or amount from another
  4. 10. based on or in accordance with reason or logic
  5. 14. a mathematical relationship or rule expressed in symbols
  6. 15. a statement that values of two mathematical expressions are equal
Down
  1. 1. the action Or processes of adding something to something else
  2. 2. the fact of condition or functioning or being active
  3. 3. Occurring continuously over a period of time.
  4. 4. from an idea or the amount, number, or value of
  5. 6. detailed examination of the element or structure of something
  6. 9. the part of mathematics in which letters and other General symbols are used to represent numbers or quantities in Formula or equations
  7. 11. opposite of contrary and position, direction, order, or effect
  8. 12. a means of solving a problem or dealing with a difficult situation
  9. 13. a number quantity that is not a whole number