高中数学第二章数列2.3等差数列的前n项和第二课时等差数列前n项和的综合应用省公开课一等奖新名师优质.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,第二章 数列,2.3,等差数列前,n,项和,第2课,时 等差数列前,n,项和综合应用,1/51,2/51,S,2,n,S,n,S,4,n,S,3,n,3/51,4/51,小,大,S,1,小,S,1,5/51,6/51,7/51,8/51,9/51,10/51,11/51,12/51,13/51,14/51,15/51,16/51,17/51,18/51,19/51,20/51,21/51,22/51,23/51,24/51,25/51,26/51,27/51,28/51,29/51,30/51,31/51,32/51,33/51,34/51,35/51,36/51,37/51,38/51,39/51,40/51,41/51,42/51,43/51,44/51,45/51,46/51,47/51,48/51,49/51,50/51,谢谢观看,51/51,