[其他] 1+2+3+ ... +無限 =-1/12
小弟數學很差 偶然在網路上看到這部影片 分享一下
弦理論
https://www.youtube.com/watch?v=w-I6XTVZXww
據作者這現象不是詭辯 在自然界中可以觀察到這數字
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