https://drive.google.com/file/d/1EIH6YMC_Ec9UBRMnEBB4qI-fHTXXPzVQ/view?usp=drive_link -수열 만들기 https://drive.google.com/file/d/1CQVSHyojaBa1IbpK26IkDE1gnnU-EEbJ/view?usp=drive_link -넓이 구하기 https://drive.google.com/file/d/1AUa7kvkM6yco1GcCVUuxR03K5tLlr2zw/view?usp=drive_link -바르게 풀기 https://drive.google.com/file/d/1JiFD9yuetUDe7FCBVQ3yjpa7gmlb_tld/view?usp=sharing -문제 만들어 풀기 전송