Maths

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Across
  1. 2. answer to a subtraction problem
  2. 5. combine or increase by multiplication
  3. 7. r represents
Down
  1. 1. how many times one number contains another(4:3)
  2. 3. the top number of a fraction
  3. 4. A polygon with three sides
  4. 6. answer you get when you add numbers together