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-https---encrypt-k-vod.xet.tech-2919df88vodtranscq1252524126-7d4c0b61387702299191174985-drm-v.f421220.m3u8-sign=c301ae1eed3f380dbce7f790e05a1cb7&t=6393afe8&us=NQLWtfWpdj.mp4 | 2023-12-31 06:00:05 | 58.76 MB | |
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01-1.1 求公差+1.2 求项数.mp4.mp4 | 2023-12-31 06:00:05 | 27.34 MB | |
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01-1.1 求通项及其相关.mp4.mp4 | 2023-12-31 06:00:05 | 69.76 MB | |
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01-1、 递推关系.mp4.mp4 | 2023-12-31 06:00:05 | 102.49 MB | |
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02-1.2 求项数和.mp4.mp4 | 2023-12-31 06:00:05 | 57.77 MB | |
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02-1.3 求通项.mp4.mp4 | 2023-12-31 06:00:05 | 39.74 MB | |
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02-2.1 周期数列.mp4.mp4 | 2023-12-31 06:00:05 | 63.78 MB | |
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03-1.4 求项数和.mp4.mp4 | 2023-12-31 06:00:05 | 82.08 MB | |
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03-2.2 奇偶数列.mp4.mp4 | 2023-12-31 06:00:05 | 138.14 MB | |
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04-1.5 实际情景的运用.mp4.mp4 | 2023-12-31 06:00:05 | 31.15 MB | |
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04-2.3 裂项求和.mp4.mp4 | 2023-12-31 06:00:05 | 45 MB | |
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04-3、单调性与最值问题.mp4.mp4 | 2023-12-31 06:00:05 | 70.71 MB | |
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05-2.1 求通项.mp4.mp4 | 2023-12-31 06:00:05 | 42.67 MB | |
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05-2.4 数阵问题.mp4.mp4 | 2023-12-31 06:00:05 | 100.66 MB | |
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05-4、实际情景的运用.mp4.mp4 | 2023-12-31 06:00:05 | 68.7 MB | |
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06-2.2 求项数和.mp4.mp4 | 2023-12-31 06:00:05 | 33.84 MB | |
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06-2.5 与其他知识综合类.mp4.mp4 | 2023-12-31 06:00:05 | 95.21 MB | |
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06-5.1 通项相关.mp4.mp4 | 2023-12-31 06:00:05 | 59.04 MB | |
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07-3 、单调性与最值问题.mp4.mp4 | 2023-12-31 06:00:05 | 151.42 MB | |
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07-3.1 累加（乘）法.mp4.mp4 | 2023-12-31 06:00:05 | 46.68 MB | |
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07-5.2.1 与等差综合.mp4.mp4 | 2023-12-31 06:00:05 | 69.82 MB | |
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08-3.2 裂项求和.mp4.mp4 | 2023-12-31 06:00:05 | 192.81 MB | |
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08-4.1 通项相关.mp4.mp4 | 2023-12-31 06:00:05 | 38.4 MB | |
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08-5.2.2 直接求和.mp4.mp4 | 2023-12-31 06:00:05 | 42.24 MB | |
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09-3.3 分组求和.mp4.mp4 | 2023-12-31 06:00:05 | 154.91 MB | |
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09-4.2 项数和相关.mp4.mp4 | 2023-12-31 06:00:05 | 162.28 MB | |
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09-5.2.3 错位相减法.mp4.mp4 | 2023-12-31 06:00:05 | 219.96 MB |
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10-3.4 奇偶数列.mp4.mp4 | 2023-12-31 06:00:05 | 231.71 MB |
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10-4.3 通项与项数和关系相关.mp4.mp4 | 2023-12-31 06:00:05 | 50.36 MB | |
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11-3.5 新定义数列.mp4.mp4 | 2023-12-31 06:00:05 | 49.79 MB | |
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12-3.6 构造数列.mp4.mp4 | 2023-12-31 06:00:05 | 187.97 MB | |
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13-4、放缩法证明类问题.mp4.mp4 | 2023-12-31 06:00:05 | 201.97 MB |
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