Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2020 — Grade 3 — vtmo Question 2

VTMO · VTMO 2020 — Grade 3 — vtmo

Question 2

How many digits does $4\times5\times10\times15\times20\times25$ have?
  1. $4$
  2. $5$
  3. $6$
  4. $7$
  5. $8$