2016 AMC 8 第 19 题
先试着解答 2016 AMC 8 第 19 题，然后核对你的答案与视频与精心整理的解答，解答来自 LIVE by Po-Shen Loh。你也可以参加完整限时模拟考试、查看全部 2016 AMC 8 解答，或核对答案。
所有题目均经美国数学协会（MAA）官方合法授权使用。
19.
个连续偶整数的和是 。这 个连续偶整数中最大的是多少？
The sum of consecutive even integers is What is the largest of these consecutive even integers?
答案：E
小提示：
奇数个连续项的平均数就是中间项
For an odd number of consecutive terms, the average is the middle term.
大提示：
有 个偶整数比中间项大
There are even integers larger than the middle term.
视频讲解：
Click to load, then click again to play
文字解答：
这些数的平均数为 。因为共有二十五个连续偶整数，平均数就是中间项。最大数比中间项大 个偶数间隔，所以等于 。
所以正确答案是 E。
The average of these numbers is The largest number is even numbers away, which means that it equals
Thus, E is the correct answer.
其他年份的第 19 题
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1993 AMC 8
- 1994 AMC 8
- 1995 AMC 8
- 1996 AMC 8
- 1997 AMC 8
- 1998 AMC 8
- 1999 AMC 8
- 2000 AMC 8
- 2001 AMC 8
- 2002 AMC 8
- 2003 AMC 8
- 2004 AMC 8
- 2005 AMC 8
- 2006 AMC 8
- 2007 AMC 8
- 2008 AMC 8
- 2009 AMC 8
- 2010 AMC 8
- 2011 AMC 8
- 2012 AMC 8
- 2013 AMC 8
- 2014 AMC 8
- 2015 AMC 8
- 2017 AMC 8
- 2018 AMC 8
- 2019 AMC 8
- 2020 AMC 8
- 2022 AMC 8
- 2023 AMC 8
- 2024 AMC 8
- 2025 AMC 8
- 2026 AMC 8