Function: mean(minus(numbers("xyx") if numbers('rrr') > numbers('xry') else numbers('epe') if numbers('xry') > divide(numbers('epe') if numbers("xyx") > numbers('xry') else numbers('rrr'), numbers('xry')) else numbers("xyx"), divide(numbers('rrr') if numbers('xry') > numbers("xyx") else numbers('epe'), numbers('xry'))), numbers("xyx") if numbers('xry') > divide(numbers("xyx") if numbers('epe') > numbers('rrr') else numbers('xry'), numbers('xry')) else numbers('xry') if numbers('epe') > numbers("xyx") else numbers('rrr'))
