2000 AMC8 真题 答案 详解
| 序号 | 文件 | 说明 | ||
|---|---|---|---|---|
| 1 | 2000-amc8-paper-eng-zh.pdf | 12 页 | 432.37KB | 真题-中英双语 |
| 2 | 2000-amc8-paper-eng.pdf | 6 页 | 203.88KB | 真题-英文 |
| 3 | 2000-amc8-key.pdf | 1 页 | 56.13KB | 真题-答案 |
| 4 | 2000-amc8-solution-eng.pdf | 28 页 | 737.45KB | 真题-文字详解-英文 |
| 5 | 2000-amc8-solution-video-zh.mp4 | 16.5 分钟 | 40.42MB | 真题-视频详解-普通话 |
2000 AMC8
Problem 1
Aunt Anna is years old. Caitlin is years younger than Brianna, and Brianna is half as old as Aunt Anna. How old is Caitlin?
Anna 阿姨现在 42 岁， Caitlin 比 Brianna 小 5 岁， Brianna 的年龄是 Anna 阿姨的一半。问 Caitlin 多大？
(A) 15 (B) 16 (C) 17 (D) 21 (E) 37
Problem 2
Which of these numbers is less than its reciprocal?
(A) =2 (B) =1 (C) 0 (D) 1 (E) 2 下面哪个数比它的倒数小 ?
Problem 3
5
How many whole numbers lie in the interval between and
5
在 到 π之间有多少个整数 2 ?
(A) 2 (B) 3 (C) 4 (D) 5 (E) infinitely many
