Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2015 — Grade 4 — semifinal Question 10

VTMO · VTMO 2015 — Grade 4 — semifinal

Question 10

Color each cube face with one color so adjacent faces have different colors. What is the minimum number of colors?
  1. $2$
  2. $3$
  3. $4$
  4. $5$
  5. $6$