Literal interpretation is probably the interpretation of some formulas and theorems, saying that a problem means that a foreign country solves a problem.

Mathematics textbooks are full of numbers, symbols, formulas, exercises and so on. And there are few written expressions, among which the abstraction and logic of mathematics are inconvenient to express and cannot be expressed.

Therefore, it needs more in-depth text interpretation than Chinese subject. To interpret mathematical texts, we need to read them thick, based on students' existing cognition, through simple figures, symbols and formulas. ...