2018 AMC8 真题 答案 详解
2018-01-12序号 | 文件 | 说明 | ||
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1 | 2018-amc8-paper-eng-zh.pdf | 11 页 | 439.78KB | 真题-中英双语 |
2 | 2018-amc8-paper-eng.pdf | 5 页 | 196.80KB | 真题-英文 |
3 | 2018-amc8-key.pdf | 1 页 | 53.66KB | 真题-答案 |
4 | 2018-amc8-solution-eng.pdf | 27 页 | 5.95MB | 真题-文字详解-英文 |
5 | 2018-amc8-solution-video-zh.mp4 | 24.48 分钟 | 62.05MB | 真题-视频详解-普通话 |
2018 AMC8
Problem 1
An amusement park has a collection of scale models, with ratio , of buildings and other sights from around the country. The height of the United States Capitol is 289 feet. What is the height in feet of its replica to the nearest whole number?
一个游乐公园有一系列美国国内建筑和其他景观的模型,与实际建筑的比例为 : 1 20 .美国 国会大厦的实际高为 289 英尺,那么它的模型复制品的高度是多少英尺?结果四舍五入到整 数。
(A) 14 (B) 15 (C) 16 (D) 18 (E) 20
Problem 2
What is the value of the product
下式的值为多少
Problem 3
Students Arn, Bob, Cyd, Dan, Eve, and Fon are arranged in that order in a circle. They start counting: Arn first, then Bob, and so forth. When the number contains a 7 as a digit (such as 47) or is a multiple of 7 that person leaves the circle and the counting continues. Who is the last one present in the circle?
Am , Bob , Cyd , Dan , Eve 和 Fon 以这样的顺序围成一圈。他们开始数数: Arn 先开始,然 后 Bob ,以此类推。当数包含数字 (例如 7 47 )或者是 7 的倍数时,那个人就离开圆圈,数 数继续进行。最后一个离开圆圈的是谁?