LOGIC

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Across
  1. 3. a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures.
  2. 4. the result of multiplication
  3. 6. 4 x 4
  4. 9. combining two or more whole numbers
  5. 12. an algebraic expression of the sum or the difference of two terms
  6. 13. the operation or process of finding the difference between two numbers or quantities
  7. 15. the branch of mathematics in which abstract symbols, rather than numbers, are manipulated or operated with arithmetic
Down
  1. 1. the square root of 81
  2. 2. 2+2=
  3. 5. the opposite of multiplication
  4. 7. 20 divided by 2
  5. 8. an area of knowledge that includes the topics of numbers, formulas and
  6. 10. an expression of more than two algebraic terms
  7. 11. 9 x 2
  8. 14. 1+1