每一項拆成1/k!-1/(k+1)!, 結果就是1-1/(k+1)!=1-1/101!
小菜一碟:)
所有跟帖:
• 冷盤appetizer -貧論貧論- ♂ (0 bytes) () 02/09/2022 postreply 15:12:38
每一項拆成1/k!-1/(k+1)!, 結果就是1-1/(k+1)!=1-1/101!
• 冷盤appetizer -貧論貧論- ♂ (0 bytes) () 02/09/2022 postreply 15:12:38
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