Not difficult. As long as you master the methods of solving primary school mathematics competition questions: analysis, synthesis, reduction, recursion, analogy, enumeration and screening, hypothesis, chart, experiment, correspondence, reverse reasoning and reduction to absurdity. Just take the exam. According to relevant data, the content of the primary school Olympic mathematics coach exam is to understand the emergence, development and characteristics of competition mathematics. Organize primary school mathematics competitions, select and train players. Characteristics and propositional principles of mathematics competition in primary schools.