2024-10-1419841.89 MB12页236
2026-09-1019832.89 MB12页189
专题11与等比数列相关的结论一、结论已知等比数列,公比为,前项和为.(1)().(2)若,则();反之,不一定成立.(3),,,成等比数列().(4)公比时,,,,成... 2026-07-191983240.03 KB4页162
2026-07-191983108.85 KB10页266
2026-07-1319831.85 MB7页155
2026-06-031983712.53 KB4页137
2026-05-211983918.46 KB6页86
2026-05-1819833.15 MB6页228
2026-05-0419831.69 MB4页215
2026-04-29198343.24 KB15页203
2026-04-291983779.22 KB6页25
2026-04-1219834.15 MB10页79
2026-03-3119833.2 MB8页259
2026-03-0919833.06 MB9页295
2026-03-0919832.26 MB10页53
2026-02-151983656.68 KB6页108
2026-02-15198363.5 KB13页123
2026-02-151983458.33 KB4页187
2026-02-15198310.93 MB16页92
2026-02-151983193.15 KB2页64
