| 41 | 39th LS(190821) 과제질의 응답+ Line and Plane in 3D+System Eqs(P64.. | jp Park  | 2019-08-22 | 1 |
| 42 | 40th LS(190822) 과제질의 응답+ System Eqs+Matrix(P653까지) | jp Park | 2019-08-23 | 7 |
| 43 | 41th LS(190825) 과제질의 응답+ Gauss Elimination, Jordan Method+I.. | jp Park | 2019-08-26 | 1 |
| 44 | 42th LS(190826) Inverse matrix Determinant+Partial Fraction.. | jp Park | 2019-08-27 | 23 |
| 45 | 43th LS(190827) Inequalities region+Linear Programming+ Para.. | jp Park | 2019-08-28 | 11 |
| 46 | 44th LS(190828) 질의응답+Ellipse+Hyperbola(P749까지) | jp Park | 2019-08-29 | 3 |
| 47 | 45th LS(190829) 질의응답+Shift Conic+Rotation +Definition of Pol.. | jp Park | 2019-08-30 | 1 |
| 48 | 46th LS(190830) 질의응답+Sequence(P796까지) | jp Park | 2019-08-31 | 1 |
| 49 | 47th LS(190905) 질의응답+Arithematic, Geometric Sequence & Serie.. | jp Park | 2019-09-06 | 1 |
| 50 | 48th LS(190909) 질의응답+Finantial, Mathematical Induction(P820까.. | jp Park | 2019-09-10 | 3 |
| 51 | 49th LS(190913) 질의응답+Binomial Theorem+Definition of Limit(P8.. | jp Park | 2019-09-14 | 1 |
| 52 | 50th LS(190916) 질의응답+Properties of Limit+Derivative(P860까지) | jp Park | 2019-09-17 | 1 |
| 53 | 51th LS(190919) 질의응답+Area(끝까지) | jp Park | 2019-09-20 | 2 |
| 54 | 52th LS(190923) 질의응답+Functions | jp Park | 2019-09-24 | 1 |
| 55 | 53th LS(190926) 시험대비 Review(P276) | jp Park | 2019-09-27 | 5 |
| 56 | 54th LS(190930) 시험대비 Review(P294) | jp Park | 2019-10-01 | 1 |
| 57 | 55th LS(191003) 시험대비 Review, inverse function | jp Park | 2019-10-04 | 1 |
| 58 | 56th LS(191008) Functions and Its Graph(P72) | jp Park | 2019-10-08 | 1 |
| 59 | 57th LS(191010) Limits and Asymptotes(P93) | jp Park | 2019-10-11 | 1 |
| 60 | 58th LS(191014) Limits and Continuity(P106) | jp Park | 2019-10-15 | 2 |
