mfracBvert12.test

<<< native
[ EIdentifier "x"
, ESymbol Bin "-"
, EFraction NormalFrac (ENumber "1") (ENumber "3")
, ESymbol Bin "-"
, EFraction NormalFrac (EIdentifier "x") (ENumber "3")
, ESymbol Bin "-"
, EFraction NormalFrac (ENumber "3") (EIdentifier "x")
, ESymbol Bin "-"
, EFraction NormalFrac (EIdentifier "a") (EIdentifier "x")
, ESymbol Bin "-"
, EFraction NormalFrac (EIdentifier "y") (EIdentifier "x")
, ESymbol Bin "-"
, EFraction
    NormalFrac (ESub (EIdentifier "y") (ENumber "2")) (EIdentifier "x")
, ESymbol Bin "-"
, EFraction
    NormalFrac (ESub (EIdentifier "x") (ENumber "2")) (EIdentifier "x")
, ESymbol Bin "-"
, EFraction
    NormalFrac
    (EIdentifier "y")
    (ESuper (EIdentifier "x") (ENumber "2"))
, ESymbol Bin "-"
, EFraction
    NormalFrac
    (EIdentifier "y")
    (ESuper (EIdentifier "H") (ENumber "2"))
]
>>> eqn
x - 1 over 3 - x over 3 - 3 over x - a over x - y over x - {y sub 2} over x - {x sub 2} over x - y over {x sup 2} - y over {H sup 2}