My 빛남 grid by 20261085 오남경 https://padlet.com/snowjadu07/yh8uyezsephx 놀라움이 있는 en-us 2017-09-28 01:27:31 UTC 2018-06-11 07:39:48 UTC hello@padlet.com 물체가 광원에서 멀어질 때 그림자 크기 변화 snowjadu07 https://padlet.com/snowjadu07/yh8uyezsephx/wish/192311632 그림자]]> 2017-09-29 01:40:40 UTC https://padlet.com/snowjadu07/yh8uyezsephx/wish/192311632 안녕 오랜만! https://padlet.com/snowjadu07/yh8uyezsephx/wish/266551024 2018-06-11 07:39:48 UTC https://padlet.com/snowjadu07/yh8uyezsephx/wish/266551024