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镇江市第一中学陶林认为目前在一些课外读物上介绍一种求分子式的特殊方法——“余差法”。不应提倡应用该法,仅知道烃的分子量
Tao Lin, the first middle school student in Zhenjiang City, believes that a special method for finding formulas is now introduced in some extra-curricular reading materials—the “remainder method.” The application of this method should not be promoted, only the molecular weight of hydrocarbons