北航老友给我寄来幻灯片“数学之美”。我读后很有收获。只觉得太晚了。如果我从小学读书就能感到数学美，我想我的数学会学得更生动活泼。小时学习数学对作文字应用题有体会后，就对数学很感兴趣， 后来学平面几何对加补助线的难...

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  Sustainable abundance pic.twitter.com/SsONDzbah0— Tesla (@Tesla) March 21, 2025https://x.com/Tesla/status/1903138591338791153  

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