| 15 | 15th LS(210110) Ch4.5 Volume (PDF P154) | Jp Park  | 2021-01-11 | 0 |
| 14 | 14th LS(210108) Ch4 Exercise (PDF P147 #9) | Jp Park | 2021-01-08 | 0 |
| 13 | 13th LS(210101) Ch8 기출문제 (PDF P141 #8) | Jp Park | 2021-01-01 | 0 |
| 12 | 12th LS(201231) Ch8.6 Factorizing Polynomial (PDF P138) | Jp Park | 2020-12-31 | 0 |
| 11 | 11th LS(201230) Ch8.2 Polynomial division(PDF P129) | Jp Park | 2020-12-30 | 0 |
| 10 | 10th LS(201229) Ch2. Indices and Surds(PDF P44) | Jp Park | 2020-12-29 | 0 |
| 9 | 9th LS(201228) Ch5. Quadratic Function(PDF P91) | Jp Park | 2020-12-28 | 1 |
| 8 | 8th LS(201225) Functions(PDF P86 #5) | Jp Park | 2020-12-25 | 0 |
| 7 | 7th LS(201224) Statistics Exercise (PDF P453 #11) | Jp Park | 2020-12-24 | 0 |
| 6 | 6th LS(201223) Statistics Exercise (PDF P428) | Jp Park | 2020-12-23 | 0 |
| 5 | 5th LS(201222) 5.5 Quadratic Formula(PDF P97) | Jp Park | 2020-12-22 | 0 |
| 4 | 4th LS(201221) 6.4 Inequality(PDF P108) | Jp Park | 2020-12-21 | 0 |
| 3 | 3rd LS(201218) 4.10 The Modulus Function(PDF P81) | Jp Park | 2020-12-18 | 0 |
| 2 | 2nd LS(201217) Function(P61) | Jp Park | 2020-12-17 | 0 |
| 1 | 1st LS(201215) Average, range and quartiles(P423) | Jp Park | 2020-12-17 | 0 |
