AMC 8 1986 Problem 9

AMC8 1986 年第 9

基本计数原理★★☆☆☆
Using only the paths and the directions shown, how many different routes are there from \textM\textM to \textN\textN?
只使用所示路径和方向,从 \textM\textM\textN\textN 有多少条不同路线?
AMC 8 1986 Problem 9 figure
  1. A.2
  2. B.3
  3. C.4
  4. D.5
  5. E.6

正确答案 · Correct Answer

E

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.