(-1+1/100)x(-1+1/101)x(-1+1/102)x...x (-1+1/2011)+(-1+1/2012)+(-1_数学解答

(-1+1/100)x(-1+1/101)x(-1+1/102)x...x (-1+1/2011)+(-1+1/2012)+(-1+1/2013)
会的赶快答一下啊写不完完蛋了

人气：139 ℃　时间：2019-09-24 05:25:30

解答

=(-99/100)×(-100/101)×(-101/102)×……×(-2011/2012)×(-2012/2013)
=99/2013
=3/61