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VTMO 2021 — Grade 2 — titan-cup Question 8

VTMO · VTMO 2021 — Grade 2 — titan-cup

Question 8

In the pictured sequence of gray-square figures, how many tiles does figure $100$ use?

Question illustration
  1. $99$
  2. $203$
  3. $197$
  4. $199$
  5. $201$