<<< native [ ESubsup (ESymbol Op "\8747") (ENumber "0") (ENumber "1") , ESymbol Bin "+" , ESubsup (EFraction NormalFrac (EIdentifier "x") (EIdentifier "y")) (ENumber "0") (EIdentifier "a") , ESymbol Bin "+" , ESubsup (EFraction NormalFrac (EIdentifier "x") (EIdentifier "y")) (ENumber "0") (ENumber "1") , ESymbol Bin "+" , ESubsup (ESymbol Op "\8747") (ENumber "0") (EIdentifier "a") ] >>> eqn int sub 0 sup 1 + {x over y} sub 0 sup a + {x over y} sub 0 sup 1 + int sub 0 sup a