2015 AMC8 真题 答案 详解
| 序号 | 文件 | 说明 | ||
|---|---|---|---|---|
| 1 | 2015-amc8-paper-eng-zh.pdf | 10 页 | 404.25KB | 真题-中英双语 |
| 2 | 2015-amc8-paper-eng.pdf | 4 页 | 186.34KB | 真题-英文 |
| 3 | 2015-amc8-key.pdf | 1 页 | 56.42KB | 真题-答案 |
| 4 | 2015-amc8-solution-eng.pdf | 30 页 | 771.15KB | 真题-文字详解-英文 |
| 5 | 2015-amc8-solution-video-zh.mp4 | 24.11 分钟 | 66.76MB | 真题-视频详解-普通话 |
2015 AMC8
Problem 1
How many square yards of carpet are required to cover a rectangular floor that is feet long and feet wide? (There are feet in a yard.)
(A) 12 (B) 36 (C) 108 (D) 324 (E) 972
要覆盖长 12 英尺，宽 9 英尺的长方形地板，需要多少平方码的地毯？（ 码等于 1 3 英尺）
Problem 2
Point is the center of the regular octagon , and is the midpoint of the side What fraction of the area of the octagon is shaded?
点 O 是正八边形 ABCDEFGH 的中心， 是边 X 𝐴𝐵 ̅ ̅̅ ̅ 的中点，问在整个八边形面积中，图中阴影 部分面积所占的比例是多少？
Problem 3
Jack and Jill are going swimming at a pool that is one mile from their house. They leave home simultaneously. Jill rides her bicycle to the pool at a constant speed of miles per hour. Jack walks to the pool at a constant speed of miles per hour. How many minutes before Jack does Jill arrive?
Jack 和 Jill 要去距离他们家 1 英里的游泳池去游泳。他们同时从家出发。 Jill 以 10 英里每小 时的速度骑车去泳池， Jack 以 4 英里每小时的速度走过去。那么 Jill 比 Jack 早到多少分钟？
(A) 5 (B) 6 (C) 8 (D) 9 (E) 10
