According to Kuku's inquiry. Com, in order to investigate the examinee's comprehensive grasp of the core concepts and mathematical ideas of senior high school mathematics, and expand their own mathematical knowledge and literacy. The last question usually examines the examinee's understanding and application of high school mathematics core concepts and mathematical ideas, including functions, series, probability, statistics, geometry and other compulsory contents. These compulsory contents are the foundation of high school mathematics curriculum and the core knowledge that students must master. At the same time, the last question will also involve elective content, such as matrix, determinant, algorithm, combinatorial mathematics and so on. These elective courses aim at expanding students' mathematical vision and application ability, and improving students' mathematical literacy and thinking ability.