https://drive.google.com/file/d/1-YOIGsYBHLO5EezsLQWHed7Ryz6rn1JK/view?usp=share_link https://drive.google.com/file/d/1qGrOyb-XFW2ipbPEnbu4kjtE1zuOjQuo/view?usp=sharing 교과서에서 혼자 풀기 어려운 심화문제를 풀어보았습니다. 전송