just a math crossword

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Across
  1. 1. the answer to something
  2. 3. a way that factors stay
  3. 5. the change of the numbers in order
  4. 7. the result only by division
  5. 8. the secquince to the answer
  6. 10. the value at the place of the number the numbers for the problem
  7. 11. to multiply something
  8. 13. a combination of add sub mult div
Down
  1. 2. the way to solve expressions
  2. 4. a pattern
  3. 6. a statement only using numbers
  4. 9. to express a concept
  5. 12. to divide something