Skip to content / Đến nội dung
ThichHocToan.com

SEAMO 2019 — Paper B — Grade 3–4 Question 2

SEAMO · SEAMO 2019 — Paper B — Grade 3–4

Question 2

Find the sum of all digits of $11111\times99999$.
  1. $36$
  2. $45$
  3. $54$
  4. $63$
  5. None of the above