| 194 | 194th LS(220727) Ch5.5 SSS Congruent (PDF 271) | Jp Park  | 2022-07-27 | 0 |
| 193 | 193th LS(220726) Ch5.2 Congruent Polygon (PDF 247) | Jp Park | 2022-07-26 | 0 |
| 192 | 192th LS(220722) Ch4.4 Congruence and Transformation (PDF 20.. | Jp Park | 2022-07-22 | 1 |
| 191 | 191th LS(220721) Ch4.2 Reflections (PDF 183) | Jp Park | 2022-07-21 | 0 |
| 190 | 190th LS(220720) Ch3.5 Eqs of Parallel and Perpendicular Lin.. | Jp Park | 2022-07-20 | 0 |
| 189 | 189th LS(220719) Binomial Theorem (PDF 229) | Jp Park | 2022-07-19 | 0 |
| 188 | 188th LS(220718) Expectation (PDF 180) | Jp Park | 2022-07-18 | 0 |
| 187 | 187th LS(220715) Ch3.2 Parallel Lines and Transversals (PDF .. | Jp Park | 2022-07-15 | 0 |
| 186 | 186th LS(220714) Ch1.5 Measuring and Constructing Angles (PD.. | Jp Park | 2022-07-14 | 0 |
| 185 | 185th LS(220713) Ch10.3 Probability using areas (PDF 170) | Jp Park | 2022-07-13 | 0 |
| 184 | 184th LS(220711) Ch8.5 Probability with dependent events (PD.. | Jp Park | 2022-07-11 | 0 |
| 183 | 183th LS(220710) Ch7. Introduction to probability (PDF 134) | Jp Park | 2022-07-10 | 0 |
| 182 | 182th LS(220709) Some harder Problems (PDF 117) | Jp Park | 2022-07-09 | 0 |
| 181 | 181th LS(220706) 5.3 More Committee Type Problems (PDF 100) | Jp Park | 2022-07-06 | 0 |
| 180 | 180th LS(220705) Ch3 Correcting Over counting (PDF76) | Jp Park | 2022-07-05 | 1 |
| 179 | 179th LS(220704) AMC 10 질의응답 | Jp Park | 2022-07-04 | 0 |
| 178 | 178th LS(220702) AMC 10 질의응답 | Jp Park | 2022-07-03 | 0 |
| 177 | 177th LS(220701) 2.5 Counting With Restriction (PDF 59) | Jp Park | 2022-07-02 | 0 |
| 176 | 176th LS(220630) AMC 2021 10B & SAT | Jp Park | 2022-07-01 | 0 |
| 175 | 175th LS(220629) AMC 2021 10B #20 | Jp Park | 2022-06-30 | 0 |
