백?업용 by 1103정지호 https://padlet.com/42th74/hwun3zln9qqu36vz en-us 2025-09-10 14:07:11 UTC 2025-09-10 14:08:21 UTC hello@padlet.com 전경아T 포물선 성질 42th74 https://padlet.com/42th74/hwun3zln9qqu36vz/wish/3578268612 2025-09-10 14:08:20 UTC https://padlet.com/42th74/hwun3zln9qqu36vz/wish/3578268612