MAths cringe

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Across
  1. 2. Carl Friedrich Gauss is often referred to as the prince of _______
  2. 4. An ______ is a series of well defined steps which gives a procedure for solving a type of problem.
  3. 6. Carl Friedrich Gauss is considered to be one of the three greatest ___________ of all time
Down
  1. 1. Every __________ number can be expressed as a product of primes
  2. 3. The word algorithm comes from the name of the 9th centaury mathematician __________
  3. 5. A _____ is a proven statement used for proving other statements