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VTMO 2014 — Grade 9 — semifinal Question 8

VTMO · VTMO 2014 — Grade 9 — semifinal

Question 8

Find the last digit of $1 ! + 2 ! + \ldots + 2014$!.
  1. $1$
  2. $2$
  3. $3$
  4. $4$
  5. $5$