[EGrouped [EBinary "\\frac" (ENumber "1") (EIdentifier "a"),ESymbol Op "-",EBinary "\\frac" (ENumber "1") (EGrouped [EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a"]),ESymbol Op "-",EBinary "\\frac" (ENumber "1") (EGrouped [EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a",ESymbol Op "+",EIdentifier "a"])]]