📐 数学·工地摸鱼中

— 老师说了，这道题太难了，先跳过 —

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"An equation means nothing to me unless it expresses a thought of God."
— Srinivasa Ramanujan (1887–1920)

🏗️ 施工进度7%

▸ 四只起司猫正在啃高数……预计还要 🧮 1729 天