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VTMO 2014 — Grade 8 — semifinal Question 6

VTMO · VTMO 2014 — Grade 8 — semifinal

Question 6

$x + y = 5 , x^{2} + y^{2} = 111$. Find $x^{3} + y^{3}$.
  1. $115$
  2. $227$
  3. $300$
  4. $555$
  5. $770$