2008+20082008+200820082008除以2009+20092009+200920092009
问题描述:
2008+20082008+200820082008除以2009+20092009+200920092009
答
(2008+20082008+200820082008)/(2009+20092009+200920092009)
=2008(1+10001+100010001)/[2009(1+10001+100010001)]
=2008/2009