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VTMO 2022 — Grade 3 — vtmo Question 1

VTMO · VTMO 2022 — Grade 3 — vtmo

Question 1

What is the last digit of $(1991+1992+\cdots+2022)-(1+2+\cdots+22)+45$?
  1. $0$
  2. $1$
  3. $2$
  4. $3$
  5. $4$