打开App
整体思想在an与Sn中灵活转化，妙解等差数列中的求和比值，并不难
为助力高考数学，特讲解高三一轮复习中的易错题1000道，根据复习进度，逐步讲解错题，涉及高一到高三的基础内容；研究基础习题，透析高效解法，您值得学习，本节内容是整体思想在an与Sn中进行转化@头条教育
高三数学一轮复习错题没人讲解，可看这里，解决你没搞明白的问题538/893
App02:45
App02:24
App02:50
App03:51
App04:29
App05:09
App03:00
App02:18
App01:50
App01:30
App03:27
App03:40
App03:54
App01:17
App09:15
App02:33
App02:44
App05:11
App04:43
App06:10
App02:13
App02:02
App03:02
App03:03
App05:11
App02:51
App03:32
App04:35
App03:33
App01:46
App03:05打开App观看
