The gold list must be brushed. Junior one mathematics mainly studies rational numbers, addition and subtraction of algebraic expressions, linear equations with one variable, geometric figures, intersecting lines and parallel lines, real numbers, linear equations with two variables and other important knowledge points. On the first day of 2022, math test papers must be brushed to buy gold medals. Brushing the questions is to keep doing them. The purpose is to finish reading the questions and questions in the shortest time, to sort out ideas in a short time and to get in touch with a large number of questions and methods.