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VTMO 2016 — Grade 2 — semifinal Question 1

VTMO · VTMO 2016 — Grade 2 — semifinal

Question 1

Find $N : 7 + 6 + 5 + 9 = 11 + N$.
  1. $7$
  2. $9$
  3. $13$
  4. $15$
  5. $16$