mathmatics

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Across
  1. 2. to make it bigger
  2. 4. a number with a point
  3. 5. the top of a fraction
  4. 6. v=lbh
  5. 7. mm,cm,m,km
  6. 10. 90 degree angle
  7. 11. the opposite of addition
Down
  1. 1. when it is either hot or cold
  2. 3. 10x2
  3. 4. the bottom of a fraction
  4. 8. the opposite of subtraction
  5. 9. such as 123123123
  6. 11. + - x =