| 207 | 206th LS(200504) Ch5.6 삼각형의 합동 | jp Park  | 2020-05-05 | 1 |
| 206 | 205th LS(200502) Ch5.1 Angles of Triangle(P234) | jp Park | 2020-05-03 | 0 |
| 205 | 204th LS(200501) Ch4.3 Roattions(P192) | jp Park | 2020-05-02 | 0 |
| 204 | 203th LS(200429) 지난 과제 풀이 | jp Park | 2020-04-30 | 0 |
| 203 | 202th LS(200427) Ch3.5 Equations of Parallel line(P161) | jp Park | 2020-04-28 | 1 |
| 202 | 201th LS(200426) Ch3.3 Proof with Parallel line(P141) | jp Park | 2020-04-27 | 1 |
| 201 | 200th LS(200424) Ch2.1 Biconditional statement(P69) | jp Park | 2020-04-25 | 0 |
| 200 | 199th LS(200422) Distance Formula(P23) | jp Park | 2020-04-23 | 0 |
| 199 | 198th LS(200420) Inverse Function(P570) | jp Park | 2020-04-21 | 1 |
| 198 | 197th LS(200417) Radical Finction Graph(P547) | jp Park | 2020-04-18 | 0 |
| 197 | 196th LS(200415) 지난 과제 풀이 | jp Park | 2020-04-16 | 0 |
| 196 | 195th LS(200412) Solving eqs and Modeling Exercise(PDF56) | jp Park | 2020-04-13 | 0 |
| 195 | 194th LS(200411) Solving eqs and Modeling(PDF54) | jp Park | 2020-04-12 | 0 |
| 194 | 193th LS(200410) Common Log function(PDF43) | jp Park | 2020-04-11 | 0 |
| 193 | 192th LS(200408) 지난 시간 과제 풀이 | jp Park | 2020-04-09 | 0 |
| 192 | 191th LS(200406) Log Property(P30) | jp Park | 2020-04-07 | 0 |
| 191 | 190th LS(200404) Log Function(P23) | jp Park | 2020-04-05 | 0 |
| 190 | 189th LS(200403) Exponetial Function Graph(P17) | jp Park | 2020-04-04 | 0 |
| 189 | 188th LS(200401) Compound Interest(P15) | jp Park | 2020-04-03 | 0 |
| 188 | 187th LS(200330) Exponential Function | jp Park | 2020-03-31 | 0 |
