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HKIMO 2026 Grade 5 National Preliminary Set 04 Question 14

HKIMO · HKIMO 2026 Grade 5 National Preliminary Set 04

Question 14

Given $2*3=3+5$, $3*4=4+7+10$, and $4*5=5+9+13+17$, find $4*6$.
  1. 50
  2. 72
  3. 10
  4. 48