| 17 | 16th LS(191024) 퍼센트+지수법칙 | jp Park  | 2019-10-25 | 20 |
| 16 | 15th LS(191021) 과제풀이+제곱근을 이용한 이차방정식의 풀이(P125) | jp Park | 2019-10-21 | 12 |
| 15 | 14th LS(191017) 이차방정식의 풀이(P119) | jp Park | 2019-10-18 | 14 |
| 14 | 13th LS(191014) 복잡한 식의 인수분해(P94) | jp Park | 2019-10-14 | 25 |
| 13 | 12th LS(191010) 곱셈공식의 활용(P66) | jp Park | 2019-10-11 | 16 |
| 12 | 11th LS(190926) 과제풀이+식의 전개 | jp Park | 2019-09-26 | 8 |
| 11 | 10th LS(190923) 과제풀이+percentage | jp Park | 2019-09-23 | 21 |
| 10 | 9th LS(190919) 인수분해의 활용+이차방정식의 해(p111까지) | jp Park | 2019-09-19 | 15 |
| 9 | 8th LS(190909) 복잡한 식의 인수분해(p91까지) | jp Park | 2019-09-09 | 24 |
| 8 | 7th LS(190905) 곱셈공식+인수분해(p85 #3까지) | jp Park | 2019-09-05 | 16 |
| 7 | 6th LS(190902) 곱셈공식+인수분해 | jp Park | 2019-09-03 | 14 |
| 6 | 5th LS(190829) 제곱근의 사칙연산+분모 유리화+곱셈공식 | jp Park | 2019-08-29 | 12 |
| 5 | 4th LS(190827) Linear System Eqs+(P115까지)+제곱근 | jp Park | 2019-08-27 | 40 |
| 4 | 3rd LS(190822) Expand Laws+Equations and formulae(P96까지) | jp Park | 2019-08-22 | 39 |
| 3 | 2nd LS(190820) Rates+Error+Currency Exchange+Laws of Algebra.. | jp Park | 2019-08-20 | 18 |
| 2 | 1st LS(190815) Recurring Decimals+Measurements(P52까지) | jp Park | 2019-08-20 | 26 |
| 1 | Demo LS(190809) Number properties(P33까지) | jp Park | 2019-08-20 | 23 |
