Why should Man learn mathematics? From the perspective of science, mathematics was the feature of the times, a wonderful piece of music, the Queen of science, the servant of science, the company of science. From the perspective of education, mathematics was a prerequisite to possess the citizenship, as was the basic literacy of modern people. Mathematics equip one with the excellent quality, teach one how to think, elevate the aesthetic ability, and accelerate one's lifelong development. In the background of the curriculum reform of mathemati...