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VTMO 2014 — Grade 3 — semifinal Question 6

VTMO · VTMO 2014 — Grade 3 — semifinal

Question 6

In a magical land, students learn this unusual operation: $5\heartsuit2=5+5-2-2$. Evaluate $9\heartsuit4=$
  1. $5$
  2. $8$
  3. $10$
  4. $14$
  5. $18$