Extraction code: supa2. Basic articles: knowledge awakening in primary and secondary schools (22 class hours) |3. Basic knowledge review (3 class hours) |2. Grammar and reading habits that must be sorted out (6 class hours) | 1. Review of mathematics knowledge in primary and secondary schools (13 class hours) | 1.9 Least common multiple. Congruence theorem 1.7 three seconds to quickly identify multiples of 235. Mp4| 1.6 Let's talk about the origin of 1 in the method of 1. Mp4| 1.5 X Several points that must be known before learning the trip problem. Mp4| 1.4 Four Basic Concepts You Must Know in Mathematical Operation. 1.2 data analysis-three groups of confusing basic terms. Mp4| 1. 1 growth. Growth rate. Same as last month. Mp4| 1. 13 graphic reasoning-symmetric graph. mp4| 1. 12。