https://yzhe819.github.io/tags/%E5%BE%AE%E7%A7%AF%E5%88%86/Recent content in 微积分 on yzhe819HugoenSat, 13 Jun 2026 00:00:00 +1200https://yzhe819.github.io/posts/bounding-e-17th-century/Sat, 13 Jun 2026 00:00:00 +1200https://yzhe819.github.io/posts/bounding-e-17th-century/<p>梦回17世纪：怎么确定自然常数e的上下界</p> <p>$$2 &lt; e &lt; 3$$</p>