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VTMO 2014 — Grade 3 — semifinal Question 1

VTMO · VTMO 2014 — Grade 3 — semifinal

Question 1

Fill in the blank: $3\times2+4\times\ldots=30$.
  1. $3$
  2. $6$
  3. $10$
  4. $12$
  5. $18$