| 28 | 28th LS(230203) Denominator Rationalizing (PDF 8) | jp Park  | 2023-02-03 | 3 |
| 27 | 27th LS(230127) AMC 2023 풀이 | jp Park | 2023-01-27 | 4 |
| 26 | 26th LS(230120) Counting (PDF 36) | jp Park | 2023-01-20 | 2 |
| 25 | 25th LS(230113) 과제 Review+ 이차함수 일반형 (개념원리3-1 PDF 201) | jp Park | 2023-01-13 | 4 |
| 24 | 24th LS(230106) 과제 Review+ 이차함수 그래프 (개념원리3-1 PDF 186) | jp Park | 2023-01-06 | 7 |
| 23 | 23th LS(221230) 과제 Review+ Quadratic Eqs (개념원리3-1 PDF 157) | jp Park | 2022-12-30 | 7 |
| 22 | 22th LS(221223) 과제 Review+ Quadratic Eqs (개념원리3-1 PDF 150 #3.. | jp Park | 2022-12-23 | 3 |
| 21 | 21th LS(221216) 과제 Review+ Quadratic Eqs (개념원리3-1 PDF 127) | jp Park | 2022-12-16 | 4 |
| 20 | 20th LS(221205) 과제 Review+ Quadratic Inequality (PDF 151) | jp Park | 2022-12-05 | 5 |
| 19 | 19th LS(221202) 3.6 Quadratic Inequality (PDF 148) | jp Park | 2022-12-02 | 1 |
| 18 | 18th LS(221128) 3.6 Quadratic Inequality (PDF 144) | jp Park | 2022-11-28 | 5 |
| 17 | 17th LS(221125) 3.4 Using Quadratic Formula (PDF 130) | jp Park | 2022-11-25 | 8 |
| 16 | 16th LS(221121) 3.3 Completing Square (PDF 122) | jp Park | 2022-11-21 | 3 |
| 15 | 15th LS(221114) 조건부 확률 (PDF 101) | jp Park | 2022-11-14 | 3 |
| 14 | 14th LS(221111) 확률의 덧셈법칙 (PDF 91) | jp Park | 2022-11-11 | 0 |
| 13 | 13th LS(221107) 3.2 Complex Number (PDF 112) | jp Park | 2022-11-07 | 4 |
| 12 | 12th LS(221104) 3.1 Solving Quadratic function (PDF 101 #66) | jp Park | 2022-11-04 | 5 |
| 11 | 11th LS(221031) 2.4 Modeling Quadratic function (PDF 80) | jp Park | 2022-10-31 | 9 |
| 10 | 10th LS(221028) 2.2 Characteristics of Quadratic function (P.. | jp Park | 2022-10-29 | 5 |
| 9 | 9th LS(221021) 2.1 Transformation of Quadratic function (PDF.. | jp Park | 2022-10-21 | 4 |
