| ![]()  | 01_课前须知(学生+家长必看).mp4 | 2025-07-27 04:19:28 | 38.51 MB |  | 
                        
                                | ![]()  | 02_学习方法习惯优化01:李老师高效听课法.mp4 | 2025-07-27 04:19:28 | 184.23 MB |  | 
                        
                                | ![]()  | 03_学习方法习惯优化02:如何提高计算能力.mp4 | 2025-07-27 04:19:28 | 133.98 MB |  | 
                        
                                | ![]()  | 04_学习方法习惯优化03:如何解决粗心马虎.mp4 | 2025-07-27 04:19:28 | 212.4 MB |  | 
                        
                                | ![]()  | 05_001:正数与负数.mp4 | 2025-07-27 04:19:29 | 25.55 MB |  | 
                        
                                | ![]()  | 06_002:有理数.mp4 | 2025-07-27 04:19:29 | 26.97 MB |  | 
                        
                                | ![]()  | 07_003:数轴.mp4 | 2025-07-27 04:19:29 | 24.46 MB |  | 
                        
                                | ![]()  | 08_004:相反数.mp4 | 2025-07-27 04:19:29 | 15.9 MB |  | 
                        
                                | ![]()  | 09_005:绝对值.mp4 | 2025-07-27 04:19:30 | 28.16 MB |  | 
                        
                                | ![]()  | 10_006:非负数的性质:绝对值.mp4 | 2025-07-27 04:19:30 | 14.4 MB |  | 
                        
                                | ![]()  | 11_007:倒数.mp4 | 2025-10-15 20:22:03 | 18.32 MB |  | 
                        
                                | ![]()  | 12_008:有理数比大小.mp4 | 2025-10-15 20:22:02 | 21.86 MB |  | 
                        
                                | ![]()  | 13_009:有理数的加法.mp4 | 2025-10-15 20:22:03 | 24.94 MB |  | 
                        
                                | ![]()  | 14_010:有理数的减法.mp4 | 2025-10-15 20:22:01 | 19.27 MB |  | 
                        
                                | ![]()  | 15_011:有理数加减混合运算.mp4 | 2025-10-15 20:22:01 | 21.34 MB |  | 
                        
                                | ![]()  | 16_012:有理数的乘法.mp4 | 2025-10-15 20:22:02 | 22.9 MB |  | 
                        
                                | ![]()  | 17_013:有理数的除法.mp4 | 2025-10-15 20:22:03 | 21.91 MB |  | 
                        
                                | ![]()  | 18_014:有理数的乘方.mp4 | 2025-10-15 20:22:01 | 20.3 MB |  | 
                        
                                | ![]()  | 19_015:非负数的性质:偶次方.mp4 | 2025-10-15 20:22:06 | 20.01 MB |  | 
                        
                                | ![]()  | 20_016:有理数混合运算.mp4 | 2025-10-15 20:22:02 | 23.7 MB |  | 
                        
                                | ![]()  | 21_017:近似数和有效数字.mp4 | 2025-10-15 20:22:02 | 20.28 MB |  | 
                        
                                | ![]()  | 22_018:科学计数法-表示较大数.mp4 | 2025-10-15 20:22:02 | 20.71 MB |  | 
                        
                                | ![]()  | 23_019:科学计数法-原数.mp4 | 2025-10-15 20:22:06 | 19.97 MB |  | 
                        
                                | ![]()  | 24_020:科学计数法与有效数字.mp4 | 2025-10-15 20:22:03 | 18.4 MB |  | 
                        
                                | ![]()  | 25_021:计算器-基础知识.mp4 | 2025-10-15 20:22:06 | 24.84 MB |  | 
                        
                                | ![]()  | 26_022:代数式.mp4 | 2025-10-15 20:22:03 | 23.24 MB |  | 
                        
                                | ![]()  | 27_023:列代数式.mp4 | 2025-10-15 20:22:01 | 20.45 MB |  | 
                        
                                | ![]()  | 28_024:代数式求值.mp4 | 2025-10-15 20:22:03 | 16.99 MB |  | 
                        
                                | ![]()  | 29_025:单项式.mp4 | 2025-10-15 20:22:05 | 23.55 MB |  | 
                        
                                | ![]()  | 30_026:多项式.mp4 | 2025-10-15 20:22:06 | 28.1 MB |  |