古代人在測量物體時,便發(fā)明了小數(shù),0.0是小數(shù)嗎,因為小數(shù)是由整數(shù)部分、小數(shù)部分和小數(shù)點組成;第二個零代表小數(shù)部分,即小數(shù)形式,