| 1 | 1st LS(200518) Ch3.2 Solving inequality using addition and .. | Jp Park  | 2020-05-19 | 1 |
| 2 | 2nd LS(200522) Ch4.3 Solving Linear Eqs by substitution(P17.. | Jp Park | 2020-05-23 | 1 |
| 3 | 3rd LS(200525) Ch4.5 Systems of Linear Inequality(P191) | Jp Park | 2020-05-26 | 1 |
| 4 | 4th LS(200529) Ch5 Linear Functions(P254) | Jp Park | 2020-05-30 | 0 |
| 5 | 5th LS(200601) Ch6.3 Exponential Equations and Function(P288.. | Jp Park | 2020-06-02 | 1 |
| 6 | 6th LS(200605) Ch7.1 Monomial, Polynomial(P330) | Jp Park | 2020-06-06 | 0 |
| 7 | 7th LS(200608) Ch7.8 Factoring(P394) | Jp Park | 2020-06-09 | 106 |
| 8 | 8th LS(200612) Ch7 Factoring 전체 | Jp Park | 2020-06-13 | 5 |
| 9 | 9th LS(200615) Ch8 Graphing Quadratic Functions(P419 EX3) | Jp Park | 2020-06-16 | 10 |
| 10 | 10th LS(200619) Ch8.4 Graphing y=ax^2+bx+c(P429 EX3) | Jp Park | 2020-06-20 | 4 |
| 11 | 11th LS(200622) Ch9.1 Solving Quadratic Eqs(P458) | Jp Park | 2020-06-23 | 0 |
| 12 | 12th LS(200626) Ch9.4 Solving Quadratic Eqs by Formula(P477) | Jp Park | 2020-06-27 | 1 |
| 13 | 13th LS(200629) Quadratic Formula & Discriminent(P483) | Jp Park | 2020-06-30 | 1 |
| 14 | 14th LS(200703) Ch10.1 Graphing Sqrure Root Function(P502) | Jp Park | 2020-07-04 | 11 |
| 15 | 15th LS(200706) Ch10.2 Sqrure Root Eqs(P514) | Jp Park | 2020-07-07 | 0 |
| 16 | 16th LS(200710) Ch10.3 Pythagorean Theorem(P514) | Jp Park | 2020-07-11 | 8 |
| 17 | 17th LS(200713) Ch11.1 Direct and Inverse Variation(P549) | Jp Park | 2020-07-14 | 1 |
| 18 | 18th LS(200717) Ch11.3 Simplifying Rational Expressions(P56.. | Jp Park | 2020-07-18 | 1 |
| 19 | 19th LS(200720) Ch11.5 Dividing Polynomial(P579) | Jp Park | 2020-07-22 | 2 |
| 20 | 20th LS(200724) Ch11.7 Solving Rational Eqs(P591) | Jp Park | 2020-07-25 | 2 |
