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HKIMO 2026 Grade 5 National Preliminary Set 05 Question 13

HKIMO · HKIMO 2026 Grade 5 National Preliminary Set 05

Question 13

Define $a\oplus b=3a-2b$. Find $11\oplus(6\oplus4)$.
  1. 13
  2. 8
  3. 33
  4. 55