알림장

2020년 4월 10일 금요일

*과학예습
4. 과학자처럼 추리해 볼까요?
-http://www.ssemtube.com/front/goods/GDS0000011493/detailInfo.do
-http://www.ssemtube.com/front/goods/GDS0000008292/detailInfo.do
-http://www.ssemtube.com/front/goods/GDS0000008294/detailInfo.do