Number Play

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1234567
Across
  1. 3. a system thats used to identify value of a digit, mainly used in europe and america
  2. 4. a number that is same forwards and backwards
  3. 6. its about making a number simpler but keeping its value close to what it was.
  4. 7. a number that is bigger than the ones close to them
Down
  1. 1. a constant number that arises when we take a number and minus the largest and smallest number of these digits
  2. 2. guessing a number that is close enough to the right answer
  3. 5. a system thats used to identify value of a digit, mainly used in india.