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计算:1/a-1+1/(a-1)(a-2)+1/(a-2)(a-3)+……+1/(a-2010)(a-2011)谢谢了,

学习时间:2026-06-04 18:13:42 阅读：4012

计算:1/a-1+1/(a-1)(a-2)+1/(a-2)(a-3)+……+1/(a-2010)(a-2011)谢谢了,

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酷炫的芒果

会撒娇的外套

2026-06-04 18:13:42

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1/a-1+1/(a-1)(a-2)+1/(a-2)(a-3)+……+1/(a-2010)(a-2011) =1/（a-1）+1/(a-2)-1/(a-1)+1/(a-3)-1/(a-2)+。。。+1/(a-2011)-1/(a-2010) =1/(a-2011)

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2026-06-04 18:13:42
1/a-1+1/(a-1)(a-2)+1/(a-2)(a-3)+……+1/(a-2010)(a-2011) =1/（a-1）+1/(a-2)-1/(a-1)+1/(a-3)-1/(a-2)+。。。+1/(a-2011)-1/(a-2010) =1/(a-2011)

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