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HKIMO 2026 Grade 3 National Preliminary Set 03 Question 11

HKIMO · HKIMO 2026 Grade 3 National Preliminary Set 03

Question 11

Define $a\odot b=(b+2)\times(a+7)$. Find $13\odot23$.
  1. 500
  2. 36
  3. 299
  4. 450