The language of each country represents the culture of each country, which is a subjective existence and a manifestation of subjective consciousness. Of course, language represents the essence of China's 5,000-year-old culture, including classical Chinese, prose, ancient Chinese and modern Chinese. Anyway, it's complicated, and the basic language is China culture. Mathematics is an objective truth. For example, 1+ 1=2 is an objective truth, and mathematics is to express the objective truth in mathematical language. Teach people how to calculate a certain value, thus solving practical problems.