(1/100-1)*(1/101-1)*.*(1/2013-1)=?
问题描述:
(1/100-1)*(1/101-1)*.*(1/2013-1)=?
答
(1/100-1)*(1/101-1)*.*(1/2013-1)=?
=(-99/100)×(-100/101)×...×(-2012/2013)
=99/2013;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,一开始我算的也是这个!可是答案是33/671谢谢!我知道了;(1/100-1)*(1/101-1)*....*(1/2013-1)=?=(-99/100)×(-100/101)×...×(-2012/2013)=99/2013;=33/671;还可以进一步约分