MATHS

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Across
  1. 4. a constant or a variable, single or combined, multiplied or divided
  2. 5. whose multiples and/or exponents are different from each other
  3. 6. a constant value of ratio between variables and exponents are different (from each other)
  4. 8. has a fixed value
Down
  1. 1. when ratio’s are equal
  2. 2. product of the factors or divisors
  3. 3. combination of terms using +,-,x,/
  4. 7. the relation of two quantities (same)