Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2017 — Grade 2 — semifinal Question 4

VTMO · VTMO 2017 — Grade 2 — semifinal

Question 4

Following the dot pattern, how many dots are in row $8$?

Question illustration
  1. $15$
  2. $22$
  3. $25$
  4. $29$
  5. $31$