2014除以2012又2013分之2012
=2014÷(2012+2012/2013)
=2014÷[2012(1+1/2013)]
=2014÷[2012(2014/2013)]
=2014÷[(2012x2014)/2013]
=2014x[2013/(2012x2014)]
=2014x2013/(2012x2014)
=2013/2012
=1+1/2012
=1又1/2012
2014除以2012又2013分之2012
=2014÷(2012+2012/2013)
=2014÷[2012(1+1/2013)]
=2014÷[2012(2014/2013)]
=2014÷[(2012x2014)/2013]
=2014x[2013/(2012x2014)]
=2014x2013/(2012x2014)
=2013/2012
=1+1/2012
=1又1/2012