Question

2005除以2005又2006分之2005

Answer 1

2005÷ 2005又2005/2006
=（2005×2006）/2006 ÷ (2005×2006 +2005)/2006
=（2005×2006）/ (2005×2006 +2005)
=（2005×2006）/ [2005×(2006 +1)]
=（2005×2006）/ (2005×2007)
=2006/2007
(2007分之2006)