AMC 8 1988 Problem 19

AMC8 1988 年第 19

数列与规律★★★☆☆
What is the 100\textth100\textth number in the arithmetic sequence: 1,5,9,13,17,21,25,...?
等差数列 1,5,9,13,17,21,25,... 中的第 100 个数是多少?
  1. A.397
  2. B.399
  3. C.401
  4. D.403
  5. E.405

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

继续练习

真题版权归属 MAA(AMC)。本站仅供学习用途。版权方如有异议,请联系本站予以下架。

Problems © MAA (AMC). This site is for study purposes only. Rightsholders may contact us for removal.