2006÷2006又2007分之2006+1/2008
=2006*2007/(2006*2007+2006)+1/2008
=2006*2007/[2006*(2007+1)]+1/2008
=2007/2008+1/2008
=2008/2008
=1
2006÷2006又2007分之2006+1/2008
=2006*2007/(2006*2007+2006)+1/2008
=2006*2007/[2006*(2007+1)]+1/2008
=2007/2008+1/2008
=2008/2008
=1