There are differences, depending on context and context. In mathematics, the same words usually have precise definitions and meanings. For example, basic operations such as addition, subtraction, multiplication and division have clear mathematical definitions and operational rules. These all have specific mathematical meanings and usages. In life, the same word has different meanings and usages. For example, the word "weight" refers to the mass of an object in mathematics, but it refers to the weight or heavyweight of an object in life. Therefore, the same word is different in mathematics and life, and its meaning and usage need to be understood according to the specific context and context.