Matemática

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Across
  1. 3. one of the properties of addition and multiplication
  2. 5. you find this when you are multiplying two numbers
  3. 6. gain
  4. 8. polygon with infinite number of sides
  5. 9. representing data using pictures
  6. 10. chinese puzzle consisiting of seven peices
  7. 13. fractions whose denominators are not the same
  8. 15. it has no lenght, breadth or thickness
  9. 16. Extends infinitely in both directions
  10. 18. the order in which numbers are arranged from largest to smallest
  11. 19. Parts of a whole
Down
  1. 1. the opertaion of taking one quantity away from another
  2. 2. Repeated addition?
  3. 4. unit used to measure the height of human beings
  4. 7. What is left behind after sharing
  5. 11. The number just after a given number
  6. 12. East , west , north or south
  7. 14. used to measure the lenght of small objects
  8. 17. share equally
  9. 20. result of adding two numbers