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数学是研究現实世界中量的关系的科学,全面而又系統地使用符号表示它的所有概念、运算与关系,是数学的一个特点。比如,通常用“∞”表示无穷大量、用“+”表示加法运算、用“=”表示两个“量”之間的相等关系等等。用数学方法計算实际問題,总是先用符号表示具体問題中的“量”和关系,然后将实际問題化为“公式語言”,再对它进行推理与計算,就得出所要求的答案。在初等数学内,用方程解应用問題,就是这方面的很好例子。数学的发展从根本上来說,是依赖于生产实践,但是簡明而又精练的数学符号,对数学的发展又能起一
Mathematics is a science that studies the relationship of quantity in the real world. It is a feature of mathematics to fully and systematically use symbols to represent all of its concepts, operations, and relationships. For example, “∞” is usually used to represent an infinite number, “+” is used to represent addition, “=” is used to represent an equal relationship between two “quantities”, and so on. Using mathematical methods to calculate actual problems, we always use symbols first to represent the “quantity” and relationship in specific problems, and then translate the actual problems into “formula language”. Then we infer and calculate it to arrive at the required answers. In elementary mathematics, solving problems with equations is a good example of this. Basically, the development of mathematics is dependent on production practices, but concise and concise mathematical symbols can play a role in the development of mathematics.