ppt를 수정하게 되어 불가피하게 재업로드합니다.10815 장서우 발표자료.최종최종.pptx10.45MB
https://www.canva.com/design/DAGiOzqlr0A/OY3to2Q6XkPO4NFyokbKdQ/edit?utm_content=DAGiOzqlr0Autm_campaign=designshareutm_medium=link2utm_source=sharebutton
https://www.canva.com/design/DAGjTzJk190/iys5qDY5WEJjIQkQ12IloA/edit?utm_content=DAGjTzJk190utm_campaign=designshareutm_medium=link2utm_source=sharebutton
과학 3분 스피치 두번째.pptx4.42MB
