第14讲 再证容斥原理
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
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JPEG | Origin Image | Download |
又讲了一种容斥原理的简单证明, 补充上一讲的内容. 下一讲开始讲组合恒等式的组合证明(指的是不用任何代数计算, 直接通过组合意义证明等式两边相等), 敬请期待. 另外, 祝大家新年快乐.
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