class9 maths number system

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Across
  1. 4. Numbers including both rational and irrational
  2. 6. A number that cannot be expressed as a fraction
  3. 7. Numbers without fractional parts, includes negatives
Down
  1. 1. A decimal with a repeating block
  2. 2. The set of all positive integers
  3. 3. Numbers starting from zero
  4. 5. The set of all positive integers