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全体自然数的和等于 -1/12 ，这是真的。 (@混乱博物馆)
source link: https://www.miaopai.com/show/XDnKhnl6FklIbeRIspy6D-k1XF-XJSEJNYA3-w__.htm
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全体自然数的和等于 -1/12 ，这是真的。 (@混乱博物馆)
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