The highest level. According to homework help's information, the math instruction of senior four school competition is the top article of primary school Olympic Mathematics, which can reach the highest level after it is finished. "Introduction to Mathematics in Senior Four Competition" is a classic collection of questions, which brings together the questions of primary school mathematics competitions at home and abroad in the past 20 years, and sums up a perfect knowledge system based on the teaching practice of mathematics in senior four schools for many years.