172 | 171th LS(200226) CH7. Quadratic Function Applications(P139) | jp Park | 2020-02-27 | 0 |
171 | 170th LS(200224) CH7. Quadratic Function(P127) | jp Park | 2020-02-25 | 0 |
17 | 16th Lesson 동영상(2018/12/03 MON) | jp Park | 2018-12-03 | 1 |
170 | 169th LS(200217) Quadratic Function(P454) | jp Park | 2020-02-18 | 0 |
169 | 168th LS(200215) Linear System Eqs | jp Park | 2020-02-16 | 0 |
168 | 167th LS(200212) Applications(P104 #3) | jp Park | 2020-02-13 | 2 |
167 | 166th LS(200210) 이차방정식의 근의 공식 | jp Park | 2020-02-11 | 0 |
166 | 165th LS(200208) 속력, 거리, 시간 문제 | jp Park | 2020-02-09 | 0 |
165 | 164th LS(200206, 200207) 수학경시문제 | jp Park | 2020-02-07 | 2 |
164 | 163th LS(200203) 수학경시문제 | jp Park | 2020-02-04 | 2 |
163 | 162th LS(200201) Exponents Quadratic Eqs(P78) | jp Park | 2020-02-02 | 0 |
162 | 161th LS(200129) Surds and Exponents(P64) | jp Park | 2020-01-30 | 0 |
161 | 160th LS(200127) Probability | jp Park | 2020-01-28 | 0 |
16 | 15th Lesson 동영상(2018/11/30 FRI) | jp Park | 2018-11-30 | 1 |
160 | 159th LS(200125) Area of triangle | jp Park | 2020-01-26 | 0 |
159 | 158th LS(200118) Bearing(P255 EX6) | jp Park | 2020-01-19 | 1 |
158 | 157th LS(200111) Trigonometry Ratio Applications | jp Park | 2020-01-13 | 0 |
157 | 156th LS(200108) Trigonometry Ratio Applications(P251) | jp Park | 2020-01-09 | 0 |
156 | 155th LS(191228) Trigonometry Ratio(P247) | jp Park | 2019-12-29 | 2 |
155 | 154th LS(191221) Quadratic inequality(P386) | jp Park | 2019-12-22 | 0 |