(1/2!)+(2/3!)+(3/4!)+(4/5!)+……+(99/100!)=?(答案可保留连乘或用阶乘表示)
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(1/2!)+(2/3!)+(3/4!)+(4/5!)+……+(99/100!)=?(答案可保留连乘或用阶乘表示)(1/2!)+(2/3!)+(3/4!)+(4/5!)+……+(99/100!)=?(
(1/2!)+(2/3!)+(3/4!)+(4/5!)+……+(99/100!)=?(答案可保留连乘或用阶乘表示)
(1/2!)+(2/3!)+(3/4!)+(4/5!)+……+(99/100!)=?(答案可保留连乘或用阶乘表示)
(1/2!)+(2/3!)+(3/4!)+(4/5!)+……+(99/100!)=?(答案可保留连乘或用阶乘表示)
根据n/(n+1)!=[1/n!-1/(n+1)!]
所以最后答案是1- 1/100!