所以問題就來了:

本帖於 2023-02-09 19:19:25 時間, 由普通用戶 中間小謝 編輯
回答: Computer program 不可能無限循環niersi2023-02-09 18:10:19

How to decide on the "irrationality" of the sum of such an infinite series without going into infinity. Not the specific value of it, but the type of number it is.

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