1993 AMC 8 第 13 题
先试着解答 1993 AMC 8 第 13 题，然后核对你的答案与精心整理的解答，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 1993 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。
13.
单词 HELP 用宽 单位的笔画在一个 乘 的长方形标牌上画成阴影区域。每个字母宽 单位，字母之间间隔 单位，如图所示。标牌未涂色部分的面积是多少平方单位？
The word “HELP” in block letters is painted as a shaded region with strokes unit wide on a by rectangular sign. Each letter is units wide with a -unit gap between letters, as shown. The area of the unshaded portion of the sign, in square units, is
答案：D
小提示：
整个标牌面积是 平方单位
The whole sign is square units
大提示：
数出每个字母由多少个涂色单位正方形组成，再从 中减去总涂色面积
Count the shaded unit squares making up each letter, then subtract the total from
解答：
整个标牌面积为 平方单位。数涂色单位方格可得 、、、，涂色总面积为 。
未涂色面积是 。
所以正确答案是 D。
The full sign has area square units. Counting the shaded unit squares in each letter gives and for a shaded total of
The unshaded area is
Thus, the correct answer is D .
其他年份的第 13 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
- 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
- 2016 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