5 | 3rd LS(200122) Introduction of factorisation | Jp Park | 2020-01-23 | 0 |
4 | 2nd LS(200118) 식의 전개 EX15 (P82) | Jp Park | 2020-01-19 | 0 |
3 | 1st LS(200115) 식의 전개 EX8 (P78) | Jp Park | 2020-01-16 | 1 |
2 | 2nd Demo LS(200113) 지수법칙(P59) | Jp Park | 2020-01-14 | 0 |
1 | 1st Demo Lesson(200112) 직선의 방정식 | Jp Park | 2020-01-13 | 0 |