Skip to content / Đến nội dung
ThichHocToan.com

1987 AMC 8 Question 3

AMC8 · 1987 AMC 8

Question 3

What is the value of

$$
\begin{gathered} 2(81 + 83 + 85 + 87 + 89 \\ {}+ 91 + 93 + 95 + 97 + 99)? \end{gathered}
$$
  1. $1600$
  2. $1650$
  3. $1700$
  4. $1750$
  5. $1800$