2005+20052005+200520052005+2005200520052005/2006+20062006+200620062006+2006200620062006
问题描述:
2005+20052005+200520052005+2005200520052005/2006+20062006+200620062006+2006200620062006
答
2005(1+10001+100010001+1000100010001)/2006(1+10001+100010001+1000100010001)
=2005/2006
约=0.9995