| 28 | 26th LS(200529) 함수의 극한과 연속(P22) | Jp Park  | 2020-05-29 | 0 |
| 27 | 25th LS(200524) Ch20. Tree Diagram(P405) | Jp Park | 2020-05-24 | 0 |
| 26 | 24th LS(200522) 수학적귀납법(책끝까지) | Jp Park | 2020-05-22 | 0 |
| 25 | 23th LS(200517) Ch16. Quadratic Eqs(P352) | Jp Park | 2020-05-17 | 0 |
| 24 | 22th LS(200515) 합의 기호 (P165 #1265까지) | Jp Park | 2020-05-15 | 0 |
| 23 | 21th LS(200510) Ch12. Trigonometry(P280) | Jp Park | 2020-05-10 | 0 |
| 22 | 20th LS(200508) 합의 기호 (P153 #1180까지) | Jp Park | 2020-05-08 | 1 |
| 21 | 19th LS(200503) Ch11. Financial Math E. Borrowing(P258) | Jp Park | 2020-05-03 | 0 |
| 20 | 18th LS(200424) 등비수열(P142 #1079) | Jp Park | 2020-04-24 | 1 |
| 19 | 17th LS(200419) Ch5. Sets and Venn Diagram+Measuring Spread .. | Jp Park | 2020-04-19 | 1 |
| 18 | 160th LS(200416) 등차수열(P132 #1009) | Jp Park | 2020-04-17 | 1 |
| 17 | 15th LS(200410) 등차수열(P124 #951) | Jp Park | 2020-04-10 | 1 |
| 16 | 14th LS(200405) Expectation and ODDS(PDF 41) | Jp Park | 2020-04-05 | 1 |
| 15 | 13th LS(200403) 삼각형의 넓이(P113 #869) | Jp Park | 2020-04-03 | 0 |
| 14 | 12th LS(200329) Tree Diagram(PDF 37) | jp Park | 2020-03-29 | 0 |
| 13 | 11th LS(200327) 삼각방정식과 부등식(P103 #805) | Jp Park | 2020-03-27 | 0 |
| 12 | 10th LS(200322) Simple Interest(P92) | Jp Park | 2020-03-22 | 0 |
| 11 | 9th LS(200320) 삼각함수를 포함한 함수의 최대최소(P97 #761) | Jp Park | 2020-03-20 | 0 |
| 10 | 8th LS(200315) 여러 가지 각에 대한 삼각함수의 성질(P88) | Jp Park | 2020-03-15 | 0 |
| 9 | 7th LS(200306) 로그방정식(P78 #633) | Jp Park | 2020-03-06 | 0 |
