Skip to content / Đến nội dung
ThichHocToan.com

1982 AMC 12 Question 11

AMC12 · 1982 AMC 12

Question 11

How many integers with four different digits are there between $1{,}000$ and $9{,}999$ such that the absolute value of the difference between the first digit and the last digit is $2?$
  1. $672$
  2. $784$
  3. $840$
  4. $896$
  5. $1{,}008$