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HKIMO 2026 Grade 1 National Preliminary Set 05 Question 6

HKIMO · HKIMO 2026 Grade 1 National Preliminary Set 05

Question 6

Find the value of 1 + 9 + 6 + 4 + 2.
  1. 12
  2. 20
  3. 21
  4. 22