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VTMO 2019 — Grade 4 — semifinal Question 8

VTMO · VTMO 2019 — Grade 4 — semifinal

Question 8

In the figure sequence, how many white triangles are in figure $6$?

Question illustration
  1. $22$
  2. $14$
  3. $16$
  4. $18$
  5. $20$