https://descartesmath.co.kr 2026-05-07T18:14:38.736Z weekly 1 https://descartesmath.co.kr/instructors/kim-daewoo 2026-05-07T18:14:38.736Z monthly 0.8 https://descartesmath.co.kr/instructors/byun-jinseong 2026-05-07T18:14:38.736Z monthly 0.8 https://descartesmath.co.kr/instructors/kim-sunjin 2026-05-07T18:14:38.736Z monthly 0.8 https://descartesmath.co.kr/instructors/jang-hyunjun 2026-05-07T18:14:38.736Z monthly 0.8 https://descartesmath.co.kr/instructors/ham-byeongyeon 2026-05-07T18:14:38.736Z monthly 0.8 https://descartesmath.co.kr/programs/suri-nonsul 2026-05-07T18:14:38.736Z monthly 0.9 https://descartesmath.co.kr/programs/yaksul-nonsul 2026-05-07T18:14:38.736Z monthly 0.9 https://descartesmath.co.kr/programs/dormitory 2026-05-07T18:14:38.736Z monthly 0.9