[To Parent Directory] 9/29/2023 11:49 AM 13546 2. Sum of n terms of on A.P.xlsx 9/29/2023 11:49 AM 2340 2. Sum of n terms of on A.P.xml 9/29/2023 11:49 AM 980 3_A1.GIF 9/29/2023 11:49 AM 951 3_A2.GIF 9/29/2023 11:49 AM 971 3_A4.GIF