math

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Across
  1. 4. the relation between two quantities
  2. 7. it is the constant value of ratio between two proportional quantities
  3. 8. a symbol that doesn't have a fixed value
Down
  1. 1. a number that is multiplied by a variable in an expression
  2. 2. an equality of ratios
  3. 3. terms that have the same variables and powers.
  4. 5. a fixed numerical value
  5. 6. a ratio that compares two units