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VTMO 2016 — Grade 7 — semifinal Question 6

VTMO · VTMO 2016 — Grade 7 — semifinal

Question 6

How many natural numbers $0$ through $30$ are differences of cubes of two natural numbers?
  1. $4$
  2. $5$
  3. $6$
  4. $7$
  5. $8$