Algebra language

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Across
  1. 2. Subtraction
  2. 3. A term that does not contain a pronumeral
  3. 4. A combination of numbers and pronumerals joined by addition and subtraction
  4. 6. Addition
  5. 8. A letter that stands in place of a number
  6. 10. Division
Down
  1. 1. The number in front of a pronumeral
  2. 5. Multiplying a value by itself
  3. 7. Multiplication
  4. 9. A part of an expression with only pronumerals, numbers, multiplication and division