| - | 1st LS(201104) 3.3 Angles of Polygon | Jp Park  | 2020-11-05 |
|---|---|---|---|
| 다음 | 2nd LS(201112) 4.2 slope of line | Jp Park | 2020-11-13 |
KAKAO ID : finelesson
| - | 1st LS(201104) 3.3 Angles of Polygon | Jp Park | 2020-11-05 |
|---|---|---|---|
| 다음 | 2nd LS(201112) 4.2 slope of line | Jp Park | 2020-11-13 |