PETS/SAT (0017)
来源:百度知道 编辑:UC知道 时间:2024/06/05 09:53:48
The daily newspaper always follows a particular format.
Each even-numbered page contains 6 articles and each odd-numbered page contains 7 articles.
If today's paper has 36 pages, how many articles does it contain?
Each even-numbered page contains 6 articles and each odd-numbered page contains 7 articles.
If today's paper has 36 pages, how many articles does it contain?
今天的报纸里有 36 页。
每张偶数页有 6 篇文章
每张奇数页有 7 篇文章
问题是,今天的报纸里总共有几篇文章?
第一步:从 1 到 36 总共有几个偶数和几个奇数?
36/2 = 18 (总共有 18 个偶数)
36-18 = 18 (总共有 18 个奇数)
第二步:
18 x 6 = 108 (因为偶数页有 6 篇文章)
18 x 7 = 126 (因为奇数页有 7 篇文章)
108+126 = 234 (把文章数加起来)
答案:今天的报纸里,总共有 234 篇文章。